SB2025100185 - Race condition in Linux kernel ethernet ibm driver
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100185
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) Race condition (CVE-ID: CVE-2023-53463)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a race condition within the __ibmvnic_open() function in drivers/net/ethernet/ibm/ibmvnic.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/48538ccb825b05544ec308a509e2cc9c013402db
- https://git.kernel.org/stable/c/91a0632e73070928aafeb36b3cc676843c716931
- https://git.kernel.org/stable/c/b8aedf29db1280c83191fc9579ae605791faf97f
- https://git.kernel.org/stable/c/f67ef8f9f6776e2b2073cad7c5cf29de850f83d7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.39