SB2024110844 - Use-after-free in Linux kernel mm
Published: November 8, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024110844
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-2024-50199)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the unuse_mm() function in mm/swapfile.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/417d5838ca73c6331ae2fe692fab6c25c00d9a0b
- https://git.kernel.org/stable/c/e41710f5a61aca9d6baaa8f53908a927dd9e7aa7
- https://git.kernel.org/stable/c/6ec0fe3756f941f42f8c57156b8bdf2877b2ebaf
- https://git.kernel.org/stable/c/bed2b9037806c62166a0ef9a559a1e7e3e1275b8
- https://git.kernel.org/stable/c/eb66a833cdd2f7302ee05d05e0fa12a2ca32eb87
- https://git.kernel.org/stable/c/7528c4fb1237512ee18049f852f014eba80bbe8d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.228
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.169
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.285
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.114
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.58