SB20240608164 - Improper locking in Linux kernel sched
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608164
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-2022-48644)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the taprio_enable_offload() and taprio_disable_offload() functions in net/sched/sch_taprio.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/d12a1eb07003e597077329767c6aa86a7e972c76
- https://git.kernel.org/stable/c/586def6ebed195f3594a4884f7c5334d0e1ad1bb
- https://git.kernel.org/stable/c/f58e43184226e5e9662088ccf1389e424a3a4cbd
- https://git.kernel.org/stable/c/c7c9c7eb305ab8b4e93e4e4e1b78d8cfcbc26323
- https://git.kernel.org/stable/c/db46e3a88a09c5cf7e505664d01da7238cd56c92
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.146
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.71
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.215
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0