SB2024080784 - Improper locking in Linux kernel sched
Published: August 7, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024080784
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper locking (CVE-ID: CVE-2024-42245)
CWE-ID: CWE-667 - Improper Locking
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the detach_tasks() function in kernel/sched/fair.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/d467194018dd536fe6c65a2fd3aedfcdb1424903
- https://git.kernel.org/stable/c/1e116c18e32b035a2d1bd460800072c8bf96bc44
- https://git.kernel.org/stable/c/0fa6dcbfa2e2b97c1e6febbea561badf0931a38b
- https://git.kernel.org/stable/c/2feab2492deb2f14f9675dd6388e9e2bf669c27a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.100
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.41