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CVE-2023-3567

Description

A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.

POC

Reference

- http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html

- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html

Github

- https://github.com/nidhi7598/linux-4.1.15_CVE-2023-3567

- https://github.com/nidhi7598/linux-4.19.72_CVE-2023-3567