SB2025100179 - Resource management error in Linux kernel bridge
Published: October 1, 2025
Security Bulletin ID
SB2025100179
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) Resource management error (CVE-ID: CVE-2025-39894)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the br_nf_local_in() function in net/bridge/br_netfilter_hooks.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/479a54ab92087318514c82428a87af2d7af1a576
- https://git.kernel.org/stable/c/50db11e2bbb635e38e3dd096215580d6adb41fb0
- https://git.kernel.org/stable/c/a74abcf0f09f59daeecf7a3ba9c1d690808b0afe
- https://git.kernel.org/stable/c/c47ca77fee9071aa543bae592dd2a384f895c8b6
- https://git.kernel.org/stable/c/ccbad4803225eafe0175d3cb19f0d8d73b504a94
- https://git.kernel.org/stable/c/d00c8b0daf56012f69075e3377da67878c775e4c