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Vulnerabilities

Vulnerability · CVE-2022-41222

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.

Published Sep 21, 2022 · catalog updated Oct 14, 2026 · linux kernel

Check if you run it

No confirmed exploitation is on record for CVE-2022-41222. EPSS is 0.49%. Act only if a listed version of linux kernel is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.49%
Remediation
Advisory link
Affected products
cpe canonical/ubuntu linux · cpe debian/debian linux · cpe linux/linux kernel · cpe netapp/hci baseboard management controller

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe canonical/ubuntu linux18.04
  • cpe debian/debian linux10.0
  • cpe linux/linux kernelversion unspecified
  • cpe netapp/hci baseboard management controllerh300s
  • cpe netapp/hci baseboard management controllerh410c
  • cpe netapp/hci baseboard management controllerh410s

How to fix CVE-2022-41222

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2022-41222. EPSS is 0.49%. Act only if a listed version of linux kernel is installed.

Which versions are affected?

Compare what you have installed with canonical/ubuntu linux 18.04; debian/debian linux 10.0; netapp/hci baseboard management controller h300s; netapp/hci baseboard management controller h410c. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-416: Use After Free. EPSS 0.49%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 21, 2022 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2022-41222

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-41222

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-2022-41222

    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.

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/168466/Linux-Stable-5.4-5.10-Use-After-Free-Race-Condition.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.