What is CVE-2022-41222?

CVE-2022-41222 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10, classified as a Use After Free flaw (CWE-416). CVE-2022-41222 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-41222?

CVE-2022-41222 has a CVSS score of 7.0 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2022-41222?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2022-41222 patch availability.

Is CVE-2022-41222 actively exploited?

CVE-2022-41222 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2022-41222

High

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.

Package Linux Kernel

Published 2022-09-21

Last modified 2025-05-28

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.0

out of 10

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-416

CVE-2022-41222 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

References

7 total

Bugs
https://bugs.chromium.org/p/project-zero/issues/detail?id=2347

Exploit Issue Tracking Mailing List Patch Third Party Advisory
Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3

Release Notes Vendor Advisory
Kernel Git
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2

Patch Vendor Advisory
Packet Storm
http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.html

Patch Third Party Advisory
Packet Storm
http://packetstormsecurity.com/files/168466/Linux-Stable-5.4-5.10-Use-After-Free-Race-Condition.html

Third Party Advisory VDB Entry

Showing 5 of 7 references View all on NVD

Details

CVE ID CVE-2022-41222

Severity High

CVSS score 7.0 / 10

CVSS version 3.1

Published 2022-09-21

Modified 2025-05-28

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2022-41222?

CVE-2022-41222 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2022-41222 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-41222?

CVE-2022-41222 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2022-41222?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2022-41222 patch availability.
Is CVE-2022-41222 actively exploited?

No. CVE-2022-41222 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.