VulnerabilityModified
CVE-2022-2652
Depending on the way the format strings in the card label are crafted it's possible to leak kernel stack memory.
MEDIUM 6.0EPSS 0.33%
Does this matter?
Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own.
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).
- CVSS 3.1
- 6.0 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 0.33% probability · 26th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-134
- Affected
- v4l2loopback project/v4l2loopback
- Source
- security@huntr.dev
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.