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MEDIUM · 6.0

CVE-2022-2652

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 wh...

Vulnerability 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 Score

6.0

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
V4L2Loopback ProjectV4L2Loopback< 0.12.6

Related Weaknesses (CWE)

CWE-134

References

FAQ

What is CVE-2022-2652?

CVE-2022-2652 is a vulnerability with a CVSS score of 6.0 (MEDIUM). 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 wh...

How severe is CVE-2022-2652?

CVE-2022-2652 has been rated MEDIUM with a CVSS base score of 6.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-2652?

Check the references section above for vendor advisories and patch information. Affected products include: V4L2Loopback Project V4L2Loopback.