#VU110681 Use-after-free in Linux kernel - CVE-2025-38001
Published: June 10, 2025 / Updated: August 29, 2025
Vulnerability identifier: #VU110681
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2025-38001
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cl_in_el_or_vttree(), hfsc_change_class() and hfsc_enqueue() functions in net/sched/sch_hfsc.c. A local user can escalate privileges on the system.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
External links
- https://git.kernel.org/stable/c/295f7c579b07b5b7cf2dffe485f71cc2f27647cb
- https://git.kernel.org/stable/c/2c928b3a0b04a431ffcd6c8b7d88a267124a3a28
- https://git.kernel.org/stable/c/2f2190ce4ca972051cac6a8d7937448f8cb9673c
- https://git.kernel.org/stable/c/39ed887b1dd2d6b720f87e86692ac3006cc111c8
- https://git.kernel.org/stable/c/4e38eaaabfb7fffbb371a51150203e19eee5d70e
- https://git.kernel.org/stable/c/6672e6c00810056acaac019fe26cdc26fee8a66c
- https://git.kernel.org/stable/c/a0ec22fa20b252edbe070a9de8501eef63c17ef5
- https://git.kernel.org/stable/c/ac9fe7dd8e730a103ae4481147395cc73492d786
- https://git.kernel.org/stable/c/e5bee633cc276410337d54b99f77fbc1ad8801e5