SB2024081946 - Use-after-free in Linux kernel cgroup
Published: August 19, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024081946
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-2024-43853)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the proc_cpuset_show() function in kernel/cgroup/cpuset.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/29a8d4e02fd4840028c38ceb1536cc8f82a257d4
- https://git.kernel.org/stable/c/96226fbed566f3f686f53a489a29846f2d538080
- https://git.kernel.org/stable/c/29ac1d238b3bf126af36037df80d7ecc4822341e
- https://git.kernel.org/stable/c/1be59c97c83ccd67a519d8a49486b3a8a73ca28a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.321
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.225
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.166
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.283
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.103
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.44