Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2022-41222

CVE-2022-41222HIGH

n/a n/a — mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   H   L   N  U  H  H  H    7.0   .0049   41.1     —

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Sep 21  Reserved by mitre
  Sep 21  Published (CNA: mitre)
  Oct 14  EXPLOIT PUBLISHED — CVE-2022-41222. Public exploit reference added.

CWE-416 · CNA: mitre · CVSS v3.1 · 9 references · NVD status: Modified

Description

mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 21, 2022	Reserved	Reserved by mitre
September 21, 2022	Published	Published (CNA: mitre)
October 14, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2022-41222. Public exploit reference added.

Affected

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

Weaknesses

CWE-416

References (9)

http://packetstormsecurity.com/files/168466/Linux-Stable-5.4-5.10-Use-After-Free-Race-Condition.html [Third Party Advisory, VDB Entry]
http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.html [Patch, Third Party Advisory]
https://bugs.chromium.org/p/project-zero/issues/detail?id=2347 [Exploit, Issue Tracking, Mailing List, Patch, Third Party Advisory]
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3 [Release Notes, Vendor Advisory]
https://cert-portal.siemens.com/productcert/html/ssa-794697.html
https://cert-portal.siemens.com/productcert/html/ssa-831302.html
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2 [Patch, Vendor Advisory]
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html [Mailing List, Third Party Advisory]
https://security.netapp.com/advisory/ntap-20230214-0008/ [Third Party Advisory]

Authoritative record: CVE-2022-41222 at cve.org

Weaknesses: CWE-416

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-41222 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 Monday, October 19, 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.