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CVE-2023-6932

Description

A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation.A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread.We recommend upgrading past commit e2b706c691905fe78468c361aaabc719d0a496f1.

POC

Reference

- http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html

Github

- https://github.com/xairy/linux-kernel-exploitation