Debian Security Bug TrackerDEBIANCVE:CVE-2022-2652CVE-2022-2652
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
EPSS
Percentile
17.7%
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).
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | v4l2loopback | < 0.12.7-1 | v4l2loopback_0.12.7-1_all.deb |
| Debian | 11 | all | v4l2loopback | <= 0.12.5-1 | v4l2loopback_0.12.5-1_all.deb |
| Debian | 999 | all | v4l2loopback | < 0.12.7-1 | v4l2loopback_0.12.7-1_all.deb |
| Debian | 13 | all | v4l2loopback | < 0.12.7-1 | v4l2loopback_0.12.7-1_all.deb |
Related
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
EPSS
Percentile
17.7%