#VU115493 Improper locking in Linux kernel - CVE-2025-39770
Published: September 16, 2025
Vulnerability identifier: #VU115493
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-2025-39770
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 gso_features_check() function in net/core/dev.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/041e2f945f82fdbd6fff577b79c33469430297aa
- https://git.kernel.org/stable/c/2156d9e9f2e483c8c3906c0ea57ea312c1424235
- https://git.kernel.org/stable/c/794ddbb7b63b6828c75967b9bcd43b086716e7a1
- https://git.kernel.org/stable/c/864e3396976ef41de6cc7bc366276bf4e084fff2
- https://git.kernel.org/stable/c/a0478d7e888028f85fa7785ea838ce0ca09398e2