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Option for progression in my current role. Cert advice UK
https://www.reddit.com/r/Pentesting/comments/yyjthh/option_for_progression_in_my_current_role_cert/

I am currently a junior cyber security analyst. I have been using Tryhackme on and off for about a year now, so I’d say that I have at least foundational knowledge of pen testing. There may be an opportunity for me to have training/certs paid for by my company, and I think it would be beneficial to broaden my skills and properly train up in pen testing. I can train for other security certs in my own time and whilst I’m working, so I think it makes more sense to have them pay for something that I can’t do so easily in my day-to-day job. What training/certs would you recommend for someone in my situation? Considering that I won’t necessarily be getting these certs in hopes of a getting a new job, but rather using them as a formalised training plan (although having a cert is always nice). submitted by /u/CannyFatcher (https://www.reddit.com/user/CannyFatcher)
[link] (https://www.reddit.com/r/Pentesting/comments/yyjthh/option_for_progression_in_my_current_role_cert/) [comments] (https://www.reddit.com/r/Pentesting/comments/yyjthh/option_for_progression_in_my_current_role_cert/)

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AppleAVD deallocateKernelMemoryInternal Missing Surface Lock

https://3.bp.blogspot.com/-BKQJl1oXbqE/WWlvQjSZMJI/AAAAAAAAINE/UWb7sXt4uvssyXVrWpwrINbeIcIr93_vACLcBGAs/s1600/h33.png
In AppleAVD.kext, pixel buffers are mapped by calling AppleAVDUserClient::_mapPixelBuffer, which eventually calls AppleAVD::allocateKernelMemoryInternal. If the buffer is an IOSurface, the function calls IOSurface::deviceLockSurface before allocating memory by calling prepare. But when a pixel buffer is unmapped by calling AppleAVDUserClient::_unmapPixelBuffer, which calls AppleAVD::deallocateKernelMemoryInternal, the IOSurface is not locked before calling complete. This means that mapping and unmapping can occur at the same time, leading to kernel memory corruption. This bug could allow escalation to kernel privileges from a local app.

SHA-256 | fa06dd34c9fcfaf9f03c6a70c7fd7fc078ff6872d40e76e3295731e58256ce8a

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Source:packetstormsecurity.com

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