SB2024123036 - Use-after-free in Linux kernel powerpc mm
Published: December 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024123036
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-2024-56678)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the ___do_page_fault() function in arch/powerpc/mm/fault.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/06dbbb4d5f7126b6307ab807cbf04ecfc459b933
- https://git.kernel.org/stable/c/15f78d2c3d1452645bd8b9da909b0ca266f83c43
- https://git.kernel.org/stable/c/4d2655754e94741b159aa807b72ea85518a65fd5
- https://git.kernel.org/stable/c/7eaeb7a49b6d16640f9f3c9074c05175d74c710b
- https://git.kernel.org/stable/c/9ea8d8bf9b625e8ad3be6b0432aecdc549914121
- https://git.kernel.org/stable/c/e0a470b5733c1fe068d5c58b0bb91ad539604bc6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.174