#VU112334 Input validation error in Linux kernel - CVE-2025-38177
Published: July 5, 2025 / Updated: July 11, 2025
Vulnerability identifier: #VU112334
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-2025-38177
CWE-ID: CWE-20
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 input validation within the eltree_insert() and hfsc_qlen_notify() functions in net/sched/sch_hfsc.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/0475c85426b18eccdcb7f9fb58d8f8e9c6c58c87
- https://git.kernel.org/stable/c/51eb3b65544c9efd6a1026889ee5fb5aa62da3bb
- https://git.kernel.org/stable/c/9030a91235ae4845ec71902c3e0cecfc9ed1f2df
- https://git.kernel.org/stable/c/c1175c4ad01dbc9c979d099861fa90a754f72059
- https://git.kernel.org/stable/c/d06476714d2819b550e0cc39222347e2c8941c9d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.28