#VU114278 Improper locking in Linux kernel - CVE-2025-38553
Published: August 20, 2025
Vulnerability identifier: #VU114278
Vulnerability risk: 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-2025-38553
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 parse_attr() and netem_change() functions in net/sched/sch_netem.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/09317dfb681ac5a96fc69bea0c54441cf91b8270
- https://git.kernel.org/stable/c/103c4e27ec9f5fe53022e46e976abf52c7221baf
- https://git.kernel.org/stable/c/250f8796006c0f2bc638ce545f601d49ae8d528b
- https://git.kernel.org/stable/c/325f5ec67cc0a77f2d0d453445b9857f1cd06c76
- https://git.kernel.org/stable/c/795cb393e38977aa991e70a9363da0ee734b2114
- https://git.kernel.org/stable/c/ec8e0e3d7adef940cdf9475e2352c0680189d14e