CVE-2022-0480

medium

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.

References

https://ubuntu.com/security/CVE-2022-0480

https://lore.kernel.org/linux-mm/20210902215519.AWcuVc3li%25akpm%40linux-foundation.org/

https://github.com/kata-containers/kata-containers/issues/3373

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f12156dff2862ac54235fc72703f18770769042

https://bugzilla.redhat.com/show_bug.cgi?id=2049700

https://access.redhat.com/security/cve/CVE-2022-0480

Details

Source: Mitre, NVD

Published: 2022-08-29

Updated: 2023-03-03

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H