CVE-2022-2652

Name: CVE-2022-2652
Creator: NVD / NIST
Published: 2022-08-04T10:15:07.99+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2022-2652 is a medium-severity vulnerability rated 6/10 on the CVSS scale. Depending on the way the format strings in the card label are crafted it's possible to leak kernel stack memory. There is also the possibility for DoS due to the v4l2loopback kernel module crashing when providing the card label on request (reproduce e.g. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

Depending on the way the format strings in the card label are crafted it's possible to leak kernel stack memory. There is also the possibility for DoS due to the v4l2loopback kernel module crashing when providing the card label on request (reproduce e.g. with many %s modifiers in a row).

Metrics

CVSS 3.1

6/10

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

EPSS Probability

0.32%

23.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-134

Affected Software

Vendor	Product	Versions
V4l2loopback Project	V4l2loopback	< 0.12.6

References

https://github.com/umlaeute/v4l2loopback/commit/e4cd225557486c420f6a34411f98c575effd43ddPatch, Third Party Advisory
https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/umlaeute/v4l2loopback/commit/e4cd225557486c420f6a34411f98c575effd43ddPatch, Third Party Advisory
https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Aug 4, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-2652?

How severe is CVE-2022-2652?

CVE-2022-2652 has a CVSS score of 6/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2022-2652?

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-2022-2652?

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

Scan your code now

Source: NVD / NIST