GHSA-9787-f568-7rr2HighCVSS 5.5

A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve...

Published
June 28, 2023
Last Modified
October 14, 2026

🔗 CVE IDs covered (1)

📋 Description

A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.

Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer.

We recommend upgrading past commit 4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable.

🔗 References (13)