CVE-2022-0480

Name: CVE-2022-0480
Creator: NVD / NIST
Published: 2022-08-29T15:15:09.477+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2022-0480 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.27%

19.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.15
Redhat	Enterprise Linux	9.0

References

https://access.redhat.com/security/cve/CVE-2022-0480Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2049700Issue Tracking, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f12156dff2862ac54235fc72703f18770769042Patch
https://github.com/kata-containers/kata-containers/issues/3373Issue Tracking, Third Party Advisory
https://lore.kernel.org/linux-mm/20210902215519.AWcuVc3li%25akpm%40linux-foundation.org/Vendor Advisory
https://ubuntu.com/security/CVE-2022-0480Third Party Advisory
https://access.redhat.com/security/cve/CVE-2022-0480Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2049700Issue Tracking, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f12156dff2862ac54235fc72703f18770769042Patch
https://github.com/kata-containers/kata-containers/issues/3373Issue Tracking, Third Party Advisory
https://lore.kernel.org/linux-mm/20210902215519.AWcuVc3li%25akpm%40linux-foundation.org/Vendor Advisory
https://ubuntu.com/security/CVE-2022-0480Third Party Advisory

Timeline

Published: Aug 29, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-0480?

How severe is CVE-2022-0480?

CVE-2022-0480 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2022-0480?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-0480?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST