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).
Published 2022-08-04 10:15:08
Updated 2022-08-10 13:40:00
Source huntr.dev
View at NVD,   CVE.org
Vulnerability category: OverflowDenial of service

Products affected by CVE-2022-2652

Exploit prediction scoring system (EPSS) score for CVE-2022-2652

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-2652

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.3
HIGH CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:L
1.5
5.3
huntr.dev
6.0
MEDIUM CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
0.8
5.2
NIST

CWE ids for CVE-2022-2652

References for CVE-2022-2652

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