SB20250226258 - Use-after-free in Linux kernel mm
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226258
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-49700)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the next_tid() function in mm/slub.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0515cc9b6b24877f59b222ade704bfaa42caa2a6
- https://git.kernel.org/stable/c/197e257da473c725dfe47759c3ee02f2398d8ea5
- https://git.kernel.org/stable/c/308c6d0e1f200fd26c71270c6e6bfcf0fc6ff082
- https://git.kernel.org/stable/c/6c32496964da0dc230cea763a0e934b2e02dabd5
- https://git.kernel.org/stable/c/d6a597450e686d4c6388bd3cdcb17224b4dae7f0
- https://git.kernel.org/stable/c/e2b2f0e2e34d71ae6c2a1114fd3c525930e84bc7
- https://git.kernel.org/stable/c/e7e3e90d671078455a3a08189f89d85b3da2de9e
- https://git.kernel.org/stable/c/eeaa345e128515135ccb864c04482180c08e3259
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.288
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.252
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.323
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.130
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.54
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.205