SB20250916232 - Improper locking in Linux kernel core
Published: September 16, 2025
Security Bulletin ID
SB20250916232
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2025-39770)
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 website.
References
- 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