Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2022-0185

CVE-2022-0185HIGH

n/a kernel — Linux Kernel

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   N   N  U  H  H  H    8.4   .2515   97.9   YES

AFFECTED
  Product  Versions  Fixed
  kernel   8.4 –     —

TIMELINE
  Jan 11  Reserved by redhat
  Feb 11  Published (CNA: redhat)
  Aug 21  Added to CISA KEV, remediation due 2024-09-11

CWE-190 · CNA: redhat · CVSS v3.1 · 6 references · KEV due September 11, 2024

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
January 11, 2022	Reserved	Reserved by redhat
February 11, 2022	Published	Published (CNA: redhat)
August 21, 2024	KEV ADDED	Added to CISA KEV, remediation due 2024-09-11

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	kernel	—	8.4	—

Weaknesses

CWE-190

References (6)

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=722d94847de2 [x_refsource_MISC]
https://github.com/Crusaders-of-Rust/CVE-2022-0185 [x_refsource_MISC]
https://security.netapp.com/advisory/ntap-20220225-0003/ [x_refsource_CONFIRM]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0185 [government-resource]
https://www.openwall.com/lists/oss-security/2022/01/18/7 [x_refsource_MISC]
https://www.willsroot.io/2022/01/cve-2022-0185.html [x_refsource_MISC]

Authoritative record: CVE-2022-0185 at cve.org

Weaknesses: CWE-190

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-0185 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.