DEBIAN-CVE-2022-0185

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2022-0185
Downstream
DSA-5050-1
Published: 11 Feb 2022, 18:15
Last modified:28 Apr 2026, 20:23

Vulnerability Summary

Overall Risk (default)
medium
34/100
CVSS Score
8.4 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

11 Feb 2022, 18:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:23
Last Modified
Vulnerability information updated

Description

A heap-based buffer overflow flaw was found in the way the legacy_parse_param function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged (in case of unprivileged user namespaces enabled, otherwise needs namespaced CAP_SYS_ADMIN privilege) local user able to open a filesystem that does not support the Filesystem Context API (and thus fallbacks to legacy handling) could use this flaw to escalate their privileges on the system.

CVSS Metrics

  • v3.1•HIGH•Score: 8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debian•linux

    < 5.10.92-1 | < 5.15.15-1 | < 5.15.15-1 | < 5.15.15-1

References (1)