cve/2023/CVE-2023-1829.md

CVE-2023-1829

Description

A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure. A local attacker user can use this vulnerability to elevate its privileges to root.We recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28.

POC

Reference

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28

Github

• https://github.com/EGI-Federation/SVG-advisories
• https://github.com/N1ghtu/RWCTF6th-RIPTC
• https://github.com/Threekiii/CVE
• https://github.com/cvestone/CtfCollections
• https://github.com/lanleft/CVE-2023-1829
• https://github.com/lanleft/CVE2023-1829
• https://github.com/nomi-sec/PoC-in-GitHub
• https://github.com/star-sg/CVE
• https://github.com/xairy/linux-kernel-exploitation