SB2024111010 - Use-after-free in Linux kernel mm
Published: November 10, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024111010
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-2024-50219)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the rmqueue_buddy() function in mm/page_alloc.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/4c4e238d3adad3c94bb255d0f117d3685bbfdd33
- https://git.kernel.org/stable/c/189b954469cf82f8b8cf496f8de94b006d2d4746
- https://git.kernel.org/stable/c/b958948ae1cb3e39c48e9f805436fd652103c71e
- https://git.kernel.org/stable/c/d0fdacfb85a3e1223b894cc6e60091ec91049e9e
- https://git.kernel.org/stable/c/281dd25c1a018261a04d1b8bf41a0674000bfe38
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.171
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.116
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.60