Forwarded from /var/log/DMIT-NOC.log
Our team recently found the Intel 85299 NIC, and its' driver is unreliable for the long term running virtualization environment. Our new architecture has already switched to Mellanox CX3/4/5.
This caused many problems, including the incident happening at the LAX site today.
One NIC driver dead will leads to a heavy load on other nodes for Ceph rebalance.
Then due to heavy load, the drivers of 85299 on other nodes probably dump again which links to a chain reaction.
We gave up Hyper-converged infrastructure design, the new architecture will have a dedicated Ceph cluster network with dual 100G link over ConnectX-5.
This caused many problems, including the incident happening at the LAX site today.
One NIC driver dead will leads to a heavy load on other nodes for Ceph rebalance.
Then due to heavy load, the drivers of 85299 on other nodes probably dump again which links to a chain reaction.
We gave up Hyper-converged infrastructure design, the new architecture will have a dedicated Ceph cluster network with dual 100G link over ConnectX-5.
Forwarded from 每日消费电子观察 (无羽の翼 (｢ • ̀ω•́ )｢)
研究人員揭露重大的 BLE 漏洞，舉凡支援接近解鎖功能的汽車、門鎖或筆電都可能遭駭
https://www.ithome.com.tw/news/150975
大致内容是：
一部分支持蓝牙解锁的汽车、门锁为了方便用户，只要用户带着注册过的手机或其他蓝牙钥匙接近，就自动解锁。
但是攻击者可以在受害者和设备之间设置中继站，让设备以为用户就在附近。从而在用户未接近设备的情况下远距离解锁。
NCC Group 认为这不是 蓝牙 的缺陷，错的是厂商把BLE接近身份验证用于解锁重要设备。
https://www.ithome.com.tw/news/150975
大致内容是：
一部分支持蓝牙解锁的汽车、门锁为了方便用户，只要用户带着注册过的手机或其他蓝牙钥匙接近，就自动解锁。
但是攻击者可以在受害者和设备之间设置中继站，让设备以为用户就在附近。从而在用户未接近设备的情况下远距离解锁。
NCC Group 认为这不是 蓝牙 的缺陷，错的是厂商把BLE接近身份验证用于解锁重要设备。
iThome
研究人員揭露重大的BLE漏洞，舉凡支援接近解鎖功能的汽車、門鎖或筆電都可能遭駭
NCC Group公布一項低功耗藍牙（BLE）安全漏洞，能攻陷所有以BLE作為接近身分認證的裝置，包括Tesla Model 3以及Kwikset/Weiser旗下Kevo系列的智慧門鎖
如果你想看看最近的那个新洞，或许也想顺便看看这个：https://www.youtube.com/watch?v=lY5kucyhKFc
YouTube
34C3 - Everything you want to know about x86 microcode, but might have been afraid to ask
https://media.ccc.de/v/34c3-9058-everything_you_want_to_know_about_x86_microcode_but_might_have_been_afraid_to_ask
An introduction into reverse-engineering x86 microcode and writing it yourself
Microcode is an abstraction layer on top of the physical components…
An introduction into reverse-engineering x86 microcode and writing it yourself
Microcode is an abstraction layer on top of the physical components…
