CVE-2022-2652
Last modified
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/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
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
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Scan your code nowSource: NVD / NIST