#VU68422 Use-after-free in Linux kernel - CVE-2022-41222 

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Main Vulnerability Database Vulnerabilities #VU68422

#VU68422 Use-after-free in Linux kernel - CVE-2022-41222

Published: October 18, 2022


Vulnerability identifier: #VU68422
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-41222
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a use-after-free error caused by a stale TLB in mm/mremap.c, because an rmap lock is not held during a PUD move. A local user can gain access to sensitive information.


Remediation

Install updates from vendor's website.

External links