cve/2022/CVE-2022-0480.md

CVE-2022-0480

Description

A flaw was found in the filelock_init in fs/locks.c function in the Linux kernel. This issue can lead to host memory exhaustion due to memcg not limiting the number of Portable Operating System Interface (POSIX) file locks.

POC

Reference

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f12156dff2862ac54235fc72703f18770769042
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f12156dff2862ac54235fc72703f18770769042
• https://github.com/kata-containers/kata-containers/issues/3373
• https://github.com/kata-containers/kata-containers/issues/3373
• https://ubuntu.com/security/CVE-2022-0480
• https://ubuntu.com/security/CVE-2022-0480

Github

• https://github.com/ARPSyndicate/cvemon