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CVE-2022-42720

Description

Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-free conditions to potentially execute code.

POC

Reference

- http://packetstormsecurity.com/files/169951/Kernel-Live-Patch-Security-Notice-LSN-0090-1.html

- http://www.openwall.com/lists/oss-security/2022/10/13/5

Github

- https://github.com/c0ld21/linux_kernel_ndays

- https://github.com/c0ld21/ndays

- https://github.com/karimhabush/cyberowl