SB20250422109 - Improper locking in Linux kernel sched
Published: April 22, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250422109
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 security vulnerability.
1) Improper locking (CVE-ID: CVE-2025-38637)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the skbprio_enqueue() and skbprio_dequeue() functions in net/sched/sch_skbprio.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/034b293bf17c124fec0f0e663f81203b00aa7a50
- https://git.kernel.org/stable/c/1284733bab736e598341f1d3f3b94e2a322864a8
- https://git.kernel.org/stable/c/1dcc144c322a8d526b791135604c0663f1af9d85
- https://git.kernel.org/stable/c/2286770b07cb5268c03d11274b8efd43dff0d380
- https://git.kernel.org/stable/c/2f35b7673a3aa3d09b3eb05811669622ebaa98ca
- https://git.kernel.org/stable/c/32ee79682315e6d3c99947b3f38b078a09a66919
- https://git.kernel.org/stable/c/7abc8318ce0712182bf0783dcfdd9a6a8331160e
- https://git.kernel.org/stable/c/864ca690ff135078d374bd565b9872f161c614bc
- https://git.kernel.org/stable/c/ce8fe975fd99b49c29c42e50f2441ba53112b2e8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.236
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.180
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.292
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.134
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.87