ClosedHighPatched

Linux Kernel Heap-Based Buffer Overflow

Linux Kernel

Linux kernel contains a heap-based buffer overflow vulnerability in the legacy_parse_param function in the Filesystem Context functionality. This allows an attacker to open a filesystem that does not support the Filesystem Context API and ultimately escalate privileges. Added to the CISA KEV catalog on 2024-08-21. CVE-2022-0185 was assigned before 2024; the KEV listing came in 2024.

Why this severity: CVSS 8.4 (v3.1, CISA-ADP), actively exploited (CISA KEV)

Started: Aug 21, 2024
Closed: Aug 21, 2024
CVE: CVE-2022-0185

Updated Aug 21, 2024

Affected

See vendor advisory (versions are not listed in the KEV record)

Fixed in

See vendor advisory linked in sources

Timeline1

Aug 21, 2024
CISA added CVE-2022-0185 to the KEV catalog (federal deadline 2024-09-11)
Source

Advisories3

Notes & caveats

Derived from the CISA KEV JSON feed (catalogVersion 2026.10.21); CVSS from the CVE record (cveawg.mitre.org). startedAt is the CVE publication date when it fell in 2024 before the KEV listing, else the KEV dateAdded; exploitation may have begun earlier. closedAt is the KEV listing date (a fix or mitigation was available then unless noted).

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