SB2024051337 - Privilege escalation in Linux kernel sparsemem
Published: May 13, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024051337
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) Race condition (CVE-ID: CVE-2023-52489)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the section_deactivate() function in mm/sparse.c. A local user can exploit the race and escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/90ad17575d26874287271127d43ef3c2af876cea
- https://git.kernel.org/stable/c/b448de2459b6d62a53892487ab18b7d823ff0529
- https://git.kernel.org/stable/c/68ed9e33324021e9d6b798e9db00ca3093d2012a
- https://git.kernel.org/stable/c/70064241f2229f7ba7b9599a98f68d9142e81a97
- https://git.kernel.org/stable/c/3a01daace71b521563c38bbbf874e14c3e58adb7
- https://git.kernel.org/stable/c/5ec8e8ea8b7783fab150cf86404fc38cb4db8800
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.210
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.149
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.76
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8