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CVE-2022-41222

Published: Sep 21, 2022Updated: May 28, 2025 Sources: CVE List NVD BDU csafCWE-416
NVD MITRE
7.0CVSSHIGH
EPSS Score
0.4%
Top 65.3%
CISA KEV
Not in KEV
Exploits
4 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

linux kernellinux
On-premOS
Operating Systems
debian linuxdebian
On-premOS
Operating Systems / linux-distro
hci baseboard management controllernetappHardware Firmware
ubuntu linuxcanonical
On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
linuxoss-projectOperating Systemsaka the linux kernel
debianoss-projectGBOperating Systemsaka debian gnu/linux
netappcommercialUSHardware Firmware
canonicalcommercialGBOperating Systemsaka canonical ltd.
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

4 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://packetstormsecurity.com/files/168466/Linux-Stable-5.4-5.10-Use-After-Free-Race-Condition.html
packetstormsecurity.com
http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.html
packetstormsecurity.com
https://bugs.chromium.org/p/project-zero/issues/detail?id=2347
bugs.chromium.org
and 39 more references View all →

Timeline

Published
Sep 21, 2022
Last Updated
May 28, 2025

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