CVE-2025-3678 - PCMan FTP Server Buffer Overflow Vulnerability
CVE ID : CVE-2025-3678
Published : April 16, 2025, 9:15 a.m. | 3 hours, 20 minutes ago
Description : A vulnerability, which was classified as critical, has been found in PCMan FTP Server 2.0.7. This issue affects some unknown processing of the component HELP Command Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Severity: 7.3 | HIGH
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CVE ID : CVE-2025-3678
Published : April 16, 2025, 9:15 a.m. | 3 hours, 20 minutes ago
Description : A vulnerability, which was classified as critical, has been found in PCMan FTP Server 2.0.7. This issue affects some unknown processing of the component HELP Command Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Severity: 7.3 | HIGH
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CVE-2025-27936 - Mattermost MS Teams Plugin Time Comparison Vulnerability
CVE ID : CVE-2025-27936
Published : April 16, 2025, 10:15 a.m. | 2 hours, 20 minutes ago
Description : Mattermost Plugin MSTeams versions <2.1.0 and Mattermost Server versions 10.5.x <=10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack during webhook secret comparison.
Severity: 5.3 | MEDIUM
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CVE ID : CVE-2025-27936
Published : April 16, 2025, 10:15 a.m. | 2 hours, 20 minutes ago
Description : Mattermost Plugin MSTeams versions <2.1.0 and Mattermost Server versions 10.5.x <=10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack during webhook secret comparison.
Severity: 5.3 | MEDIUM
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CVE-2025-31363 - Mattermost Domain Exfiltration Vulnerability
CVE ID : CVE-2025-31363
Published : April 16, 2025, 10:15 a.m. | 2 hours, 20 minutes ago
Description : Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.9 fail to restrict domains the LLM can request to contact upstream which allows an authenticated user to exfiltrate data from an arbitrary server accessible to the victim via performing a prompt injection in the AI plugin's Jira tool.
Severity: 3.0 | LOW
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CVE ID : CVE-2025-31363
Published : April 16, 2025, 10:15 a.m. | 2 hours, 20 minutes ago
Description : Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.9 fail to restrict domains the LLM can request to contact upstream which allows an authenticated user to exfiltrate data from an arbitrary server accessible to the victim via performing a prompt injection in the AI plugin's Jira tool.
Severity: 3.0 | LOW
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CVE-2025-3679 - PCMan FTP Server Buffer Overflow Vulnerability
CVE ID : CVE-2025-3679
Published : April 16, 2025, 10:15 a.m. | 2 hours, 20 minutes ago
Description : A vulnerability, which was classified as critical, was found in PCMan FTP Server 2.0.7. Affected is an unknown function of the component HOST Command Handler. The manipulation leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Severity: 7.3 | HIGH
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CVE ID : CVE-2025-3679
Published : April 16, 2025, 10:15 a.m. | 2 hours, 20 minutes ago
Description : A vulnerability, which was classified as critical, was found in PCMan FTP Server 2.0.7. Affected is an unknown function of the component HOST Command Handler. The manipulation leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Severity: 7.3 | HIGH
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CVE-2025-3680 - PCMan FTP Server LANG Command Handler Buffer Overflow Vulnerability
CVE ID : CVE-2025-3680
Published : April 16, 2025, 10:15 a.m. | 2 hours, 20 minutes ago
Description : A vulnerability has been found in PCMan FTP Server 2.0.7 and classified as critical. Affected by this vulnerability is an unknown functionality of the component LANG Command Handler. The manipulation leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Severity: 7.3 | HIGH
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CVE ID : CVE-2025-3680
Published : April 16, 2025, 10:15 a.m. | 2 hours, 20 minutes ago
Description : A vulnerability has been found in PCMan FTP Server 2.0.7 and classified as critical. Affected by this vulnerability is an unknown functionality of the component LANG Command Handler. The manipulation leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Severity: 7.3 | HIGH
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CVE-2025-3681 - PCMan FTP Server MODE Command Handler Buffer Overflow
CVE ID : CVE-2025-3681
Published : April 16, 2025, 10:15 a.m. | 2 hours, 20 minutes ago
Description : A vulnerability was found in PCMan FTP Server 2.0.7 and classified as critical. Affected by this issue is some unknown functionality of the component MODE Command Handler. The manipulation leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Severity: 7.3 | HIGH
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CVE ID : CVE-2025-3681
Published : April 16, 2025, 10:15 a.m. | 2 hours, 20 minutes ago
Description : A vulnerability was found in PCMan FTP Server 2.0.7 and classified as critical. Affected by this issue is some unknown functionality of the component MODE Command Handler. The manipulation leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Severity: 7.3 | HIGH
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CVE-2024-58092 - Linux Kernel NFSd Double Initialization Double-Free Vulnerability
CVE ID : CVE-2024-58092
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: nfsd: fix legacy client tracking initialization Get rid of the nfsd4_legacy_tracking_ops->init() call in check_for_legacy_methods(). That will be handled in the caller (nfsd4_client_tracking_init()). Otherwise, we'll wind up calling nfsd4_legacy_tracking_ops->init() twice, and the second time we'll trigger the BUG_ON() in nfsd4_init_recdir().
Severity: 0.0 | NA
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CVE ID : CVE-2024-58092
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: nfsd: fix legacy client tracking initialization Get rid of the nfsd4_legacy_tracking_ops->init() call in check_for_legacy_methods(). That will be handled in the caller (nfsd4_client_tracking_init()). Otherwise, we'll wind up calling nfsd4_legacy_tracking_ops->init() twice, and the second time we'll trigger the BUG_ON() in nfsd4_init_recdir().
Severity: 0.0 | NA
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CVE-2025-22019 - bcachefs Denial of Service and Privilege Escalation
CVE ID : CVE-2025-22019
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: bcachefs: bch2_ioctl_subvolume_destroy() fixes bch2_evict_subvolume_inodes() was getting stuck - due to incorrectly pruning the dcache. Also, fix missing permissions checks.
Severity: 0.0 | NA
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CVE ID : CVE-2025-22019
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: bcachefs: bch2_ioctl_subvolume_destroy() fixes bch2_evict_subvolume_inodes() was getting stuck - due to incorrectly pruning the dcache. Also, fix missing permissions checks.
Severity: 0.0 | NA
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CVE-2025-22021 - Kubernetes Cilium Envoy IPv6 SNAT Socket Vulnerability
CVE ID : CVE-2025-22021
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT nf_sk_lookup_slow_v4 does the conntrack lookup for IPv4 packets to restore the original 5-tuple in case of SNAT, to be able to find the right socket (if any). Then socket_match() can correctly check whether the socket was transparent. However, the IPv6 counterpart (nf_sk_lookup_slow_v6) lacks this conntrack lookup, making xt_socket fail to match on the socket when the packet was SNATed. Add the same logic to nf_sk_lookup_slow_v6. IPv6 SNAT is used in Kubernetes clusters for pod-to-world packets, as pods' addresses are in the fd00::/8 ULA subnet and need to be replaced with the node's external address. Cilium leverages Envoy to enforce L7 policies, and Envoy uses transparent sockets. Cilium inserts an iptables prerouting rule that matches on `-m socket --transparent` and redirects the packets to localhost, but it fails to match SNATed IPv6 packets due to that missing conntrack lookup.
Severity: 0.0 | NA
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CVE ID : CVE-2025-22021
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT nf_sk_lookup_slow_v4 does the conntrack lookup for IPv4 packets to restore the original 5-tuple in case of SNAT, to be able to find the right socket (if any). Then socket_match() can correctly check whether the socket was transparent. However, the IPv6 counterpart (nf_sk_lookup_slow_v6) lacks this conntrack lookup, making xt_socket fail to match on the socket when the packet was SNATed. Add the same logic to nf_sk_lookup_slow_v6. IPv6 SNAT is used in Kubernetes clusters for pod-to-world packets, as pods' addresses are in the fd00::/8 ULA subnet and need to be replaced with the node's external address. Cilium leverages Envoy to enforce L7 policies, and Envoy uses transparent sockets. Cilium inserts an iptables prerouting rule that matches on `-m socket --transparent` and redirects the packets to localhost, but it fails to match SNATed IPv6 packets due to that missing conntrack lookup.
Severity: 0.0 | NA
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CVE-2025-22023 - XHCI USB Driver Isochronous Transfer Ring Buffer Data Loss and UAF Vulnerability
CVE ID : CVE-2025-22023
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Don't skip on Stopped - Length Invalid Up until commit d56b0b2ab142 ("usb: xhci: ensure skipped isoc TDs are returned when isoc ring is stopped") in v6.11, the driver didn't skip missed isochronous TDs when handling Stoppend and Stopped - Length Invalid events. Instead, it erroneously cleared the skip flag, which would cause the ring to get stuck, as future events won't match the missed TD which is never removed from the queue until it's cancelled. This buggy logic seems to have been in place substantially unchanged since the 3.x series over 10 years ago, which probably speaks first and foremost about relative rarity of this case in normal usage, but by the spec I see no reason why it shouldn't be possible. After d56b0b2ab142, TDs are immediately skipped when handling those Stopped events. This poses a potential problem in case of Stopped - Length Invalid, which occurs either on completed TDs (likely already given back) or Link and No-Op TRBs. Such event won't be recognized as matching any TD (unless it's the rare Link TRB inside a TD) and will result in skipping all pending TDs, giving them back possibly before they are done, risking isoc data loss and maybe UAF by HW. As a compromise, don't skip and don't clear the skip flag on this kind of event. Then the next event will skip missed TDs. A downside of not handling Stopped - Length Invalid on a Link inside a TD is that if the TD is cancelled, its actual length will not be updated to account for TRBs (silently) completed before the TD was stopped. I had no luck producing this sequence of completion events so there is no compelling demonstration of any resulting disaster. It may be a very rare, obscure condition. The sole motivation for this patch is that if such unlikely event does occur, I'd rather risk reporting a cancelled partially done isoc frame as empty than gamble with UAF. This will be fixed more properly by looking at Stopped event's TRB pointer when making skipping decisions, but such rework is unlikely to be backported to v6.12, which will stay around for a few years.
Severity: 0.0 | NA
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CVE ID : CVE-2025-22023
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Don't skip on Stopped - Length Invalid Up until commit d56b0b2ab142 ("usb: xhci: ensure skipped isoc TDs are returned when isoc ring is stopped") in v6.11, the driver didn't skip missed isochronous TDs when handling Stoppend and Stopped - Length Invalid events. Instead, it erroneously cleared the skip flag, which would cause the ring to get stuck, as future events won't match the missed TD which is never removed from the queue until it's cancelled. This buggy logic seems to have been in place substantially unchanged since the 3.x series over 10 years ago, which probably speaks first and foremost about relative rarity of this case in normal usage, but by the spec I see no reason why it shouldn't be possible. After d56b0b2ab142, TDs are immediately skipped when handling those Stopped events. This poses a potential problem in case of Stopped - Length Invalid, which occurs either on completed TDs (likely already given back) or Link and No-Op TRBs. Such event won't be recognized as matching any TD (unless it's the rare Link TRB inside a TD) and will result in skipping all pending TDs, giving them back possibly before they are done, risking isoc data loss and maybe UAF by HW. As a compromise, don't skip and don't clear the skip flag on this kind of event. Then the next event will skip missed TDs. A downside of not handling Stopped - Length Invalid on a Link inside a TD is that if the TD is cancelled, its actual length will not be updated to account for TRBs (silently) completed before the TD was stopped. I had no luck producing this sequence of completion events so there is no compelling demonstration of any resulting disaster. It may be a very rare, obscure condition. The sole motivation for this patch is that if such unlikely event does occur, I'd rather risk reporting a cancelled partially done isoc frame as empty than gamble with UAF. This will be fixed more properly by looking at Stopped event's TRB pointer when making skipping decisions, but such rework is unlikely to be backported to v6.12, which will stay around for a few years.
Severity: 0.0 | NA
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CVE-2025-30960 - FS Poster Unauthorized Access Vulnerability
CVE ID : CVE-2025-30960
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : Missing Authorization vulnerability in NotFound FS Poster. This issue affects FS Poster: from n/a through 6.5.8.
Severity: 8.3 | HIGH
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CVE ID : CVE-2025-30960
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : Missing Authorization vulnerability in NotFound FS Poster. This issue affects FS Poster: from n/a through 6.5.8.
Severity: 8.3 | HIGH
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CVE-2025-3682 - PCMan FTP Server PASV Command Handler Buffer Overflow Vulnerability
CVE ID : CVE-2025-3682
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : A vulnerability was found in PCMan FTP Server 2.0.7. It has been classified as critical. This affects an unknown part of the component PASV Command Handler. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Severity: 7.3 | HIGH
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CVE ID : CVE-2025-3682
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : A vulnerability was found in PCMan FTP Server 2.0.7. It has been classified as critical. This affects an unknown part of the component PASV Command Handler. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Severity: 7.3 | HIGH
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CVE-2025-3683 - PCMan FTP Server Buffer Overflow Vulnerability
CVE ID : CVE-2025-3683
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : A vulnerability was found in PCMan FTP Server 2.0.7. It has been declared as critical. This vulnerability affects unknown code of the component SIZE Command Handler. The manipulation leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Severity: 7.3 | HIGH
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CVE ID : CVE-2025-3683
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : A vulnerability was found in PCMan FTP Server 2.0.7. It has been declared as critical. This vulnerability affects unknown code of the component SIZE Command Handler. The manipulation leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Severity: 7.3 | HIGH
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CVE-2025-3684 - Xianqi Kindergarten Management System SQL Injection Vulnerability
CVE ID : CVE-2025-3684
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : A vulnerability was found in Xianqi Kindergarten Management System 2.0 Bulid 20190808. It has been rated as critical. This issue affects some unknown processing of the file stu_list.php of the component Child Management. The manipulation of the argument sex leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Other parameters might be affected as well.
Severity: 6.3 | MEDIUM
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CVE ID : CVE-2025-3684
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : A vulnerability was found in Xianqi Kindergarten Management System 2.0 Bulid 20190808. It has been rated as critical. This issue affects some unknown processing of the file stu_list.php of the component Child Management. The manipulation of the argument sex leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Other parameters might be affected as well.
Severity: 6.3 | MEDIUM
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CVE-2025-3685 - Code-projects Patient Record Management System SQL Injection Vulnerability
CVE ID : CVE-2025-3685
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : A vulnerability classified as critical has been found in code-projects Patient Record Management System 1.0. Affected is an unknown function of the file /edit_fpatient.php. The manipulation of the argument ID leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Severity: 6.3 | MEDIUM
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CVE ID : CVE-2025-3685
Published : April 16, 2025, 11:15 a.m. | 1 hour, 19 minutes ago
Description : A vulnerability classified as critical has been found in code-projects Patient Record Management System 1.0. Affected is an unknown function of the file /edit_fpatient.php. The manipulation of the argument ID leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Severity: 6.3 | MEDIUM
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CVE-2025-3686 - Misstt123 Oasys Path Traversal Remote Vulnerability
CVE ID : CVE-2025-3686
Published : April 16, 2025, 12:15 p.m. | 20 minutes ago
Description : A vulnerability classified as problematic was found in misstt123 oasys 1.0. Affected by this vulnerability is the function image of the file /show. The manipulation leads to path traversal. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable.
Severity: 4.3 | MEDIUM
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CVE ID : CVE-2025-3686
Published : April 16, 2025, 12:15 p.m. | 20 minutes ago
Description : A vulnerability classified as problematic was found in misstt123 oasys 1.0. Affected by this vulnerability is the function image of the file /show. The manipulation leads to path traversal. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable.
Severity: 4.3 | MEDIUM
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CVE-2025-3687 - Misstt123 Oasys Cross-Site Request Forgery Vulnerability
CVE ID : CVE-2025-3687
Published : April 16, 2025, 12:15 p.m. | 20 minutes ago
Description : A vulnerability, which was classified as problematic, has been found in misstt123 oasys 1.0. Affected by this issue is some unknown functionality of the component Sticky Notes Handler. The manipulation leads to cross-site request forgery. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available.
Severity: 4.3 | MEDIUM
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CVE ID : CVE-2025-3687
Published : April 16, 2025, 12:15 p.m. | 20 minutes ago
Description : A vulnerability, which was classified as problematic, has been found in misstt123 oasys 1.0. Affected by this issue is some unknown functionality of the component Sticky Notes Handler. The manipulation leads to cross-site request forgery. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available.
Severity: 4.3 | MEDIUM
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CVE-2025-3688 - Mirweiye Seven Bears Library CMS Cross Site Scripting Vulnerability
CVE ID : CVE-2025-3688
Published : April 16, 2025, 12:15 p.m. | 20 minutes ago
Description : A vulnerability, which was classified as problematic, was found in mirweiye Seven Bears Library CMS 2023. This affects an unknown part of the component Background Management Page. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Severity: 2.4 | LOW
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CVE ID : CVE-2025-3688
Published : April 16, 2025, 12:15 p.m. | 20 minutes ago
Description : A vulnerability, which was classified as problematic, was found in mirweiye Seven Bears Library CMS 2023. This affects an unknown part of the component Background Management Page. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Severity: 2.4 | LOW
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CVE-2025-22121 - Linux Kernel ext4 Use-After-Free Vulnerability
CVE ID : CVE-2025-22121
Published : April 16, 2025, 3:16 p.m. | 1 hour, 20 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all() There's issue as follows: BUG: KASAN: use-after-free in ext4_xattr_inode_dec_ref_all+0x6ff/0x790 Read of size 4 at addr ffff88807b003000 by task syz-executor.0/15172 CPU: 3 PID: 15172 Comm: syz-executor.0 Call Trace: __dump_stack lib/dump_stack.c:82 [inline] dump_stack+0xbe/0xfd lib/dump_stack.c:123 print_address_description.constprop.0+0x1e/0x280 mm/kasan/report.c:400 __kasan_report.cold+0x6c/0x84 mm/kasan/report.c:560 kasan_report+0x3a/0x50 mm/kasan/report.c:585 ext4_xattr_inode_dec_ref_all+0x6ff/0x790 fs/ext4/xattr.c:1137 ext4_xattr_delete_inode+0x4c7/0xda0 fs/ext4/xattr.c:2896 ext4_evict_inode+0xb3b/0x1670 fs/ext4/inode.c:323 evict+0x39f/0x880 fs/inode.c:622 iput_final fs/inode.c:1746 [inline] iput fs/inode.c:1772 [inline] iput+0x525/0x6c0 fs/inode.c:1758 ext4_orphan_cleanup fs/ext4/super.c:3298 [inline] ext4_fill_super+0x8c57/0xba40 fs/ext4/super.c:5300 mount_bdev+0x355/0x410 fs/super.c:1446 legacy_get_tree+0xfe/0x220 fs/fs_context.c:611 vfs_get_tree+0x8d/0x2f0 fs/super.c:1576 do_new_mount fs/namespace.c:2983 [inline] path_mount+0x119a/0x1ad0 fs/namespace.c:3316 do_mount+0xfc/0x110 fs/namespace.c:3329 __do_sys_mount fs/namespace.c:3540 [inline] __se_sys_mount+0x219/0x2e0 fs/namespace.c:3514 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 Memory state around the buggy address: ffff88807b002f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88807b002f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88807b003000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff88807b003080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88807b003100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff Above issue happens as ext4_xattr_delete_inode() isn't check xattr is valid if xattr is in inode. To solve above issue call xattr_check_inode() check if xattr if valid in inode. In fact, we can directly verify in ext4_iget_extra_inode(), so that there is no divergent verification.
Severity: 0.0 | NA
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CVE ID : CVE-2025-22121
Published : April 16, 2025, 3:16 p.m. | 1 hour, 20 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all() There's issue as follows: BUG: KASAN: use-after-free in ext4_xattr_inode_dec_ref_all+0x6ff/0x790 Read of size 4 at addr ffff88807b003000 by task syz-executor.0/15172 CPU: 3 PID: 15172 Comm: syz-executor.0 Call Trace: __dump_stack lib/dump_stack.c:82 [inline] dump_stack+0xbe/0xfd lib/dump_stack.c:123 print_address_description.constprop.0+0x1e/0x280 mm/kasan/report.c:400 __kasan_report.cold+0x6c/0x84 mm/kasan/report.c:560 kasan_report+0x3a/0x50 mm/kasan/report.c:585 ext4_xattr_inode_dec_ref_all+0x6ff/0x790 fs/ext4/xattr.c:1137 ext4_xattr_delete_inode+0x4c7/0xda0 fs/ext4/xattr.c:2896 ext4_evict_inode+0xb3b/0x1670 fs/ext4/inode.c:323 evict+0x39f/0x880 fs/inode.c:622 iput_final fs/inode.c:1746 [inline] iput fs/inode.c:1772 [inline] iput+0x525/0x6c0 fs/inode.c:1758 ext4_orphan_cleanup fs/ext4/super.c:3298 [inline] ext4_fill_super+0x8c57/0xba40 fs/ext4/super.c:5300 mount_bdev+0x355/0x410 fs/super.c:1446 legacy_get_tree+0xfe/0x220 fs/fs_context.c:611 vfs_get_tree+0x8d/0x2f0 fs/super.c:1576 do_new_mount fs/namespace.c:2983 [inline] path_mount+0x119a/0x1ad0 fs/namespace.c:3316 do_mount+0xfc/0x110 fs/namespace.c:3329 __do_sys_mount fs/namespace.c:3540 [inline] __se_sys_mount+0x219/0x2e0 fs/namespace.c:3514 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 Memory state around the buggy address: ffff88807b002f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88807b002f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88807b003000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff88807b003080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88807b003100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff Above issue happens as ext4_xattr_delete_inode() isn't check xattr is valid if xattr is in inode. To solve above issue call xattr_check_inode() check if xattr if valid in inode. In fact, we can directly verify in ext4_iget_extra_inode(), so that there is no divergent verification.
Severity: 0.0 | NA
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