Improper locking in Linux kernel - CVE-2022-48644
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91452
CSH Severity: Low
CVSSv4.0: 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
CVE-ID: CVE-2022-48644
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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