SB2024082674 - Race condition in Linux kernel mm
Published: August 26, 2024 Updated: May 12, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Race condition (CVE-ID: CVE-2024-43892)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the MEM_CGROUP_ID_MAX(), mem_cgroup_alloc() and mem_cgroup_css_online() functions in mm/memcontrol.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/37a060b64ae83b76600d187d76591ce488ab836b
- https://git.kernel.org/stable/c/51c0b1bb7541f8893ec1accba59eb04361a70946
- https://git.kernel.org/stable/c/9972605a238339b85bd16b084eed5f18414d22db
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.226
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.167
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.110
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.46