SB2026011465 - Improper error handling in Linux kernel net team driver
Published: January 14, 2026
Security Bulletin ID
SB2026011465
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 error handling (CVE-ID: CVE-2025-71091)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the __team_queue_override_enabled_check() function in drivers/net/team/team_core.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/107d245f84cb4f55f597d31eda34b42a2b7d6952
- https://git.kernel.org/stable/c/53a727a8bfd78c739e130a781192d0f6f8e03d39
- https://git.kernel.org/stable/c/6bfb62b6010a16112dcae52f490e5e0e6abe12a3
- https://git.kernel.org/stable/c/932ac51d9953eaf77a1252f79b656d4ca86163c6
- https://git.kernel.org/stable/c/b71187648ef2349254673d0523fdf96d1fe3d758