SB20260113118 - Race condition in Linux kernel stmicro stmmac driver
Published: January 13, 2026
Security Bulletin ID
SB20260113118
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-2025-71095)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a race condition within the MODULE_PARM_DESC(), stmmac_xdp_get_tx_queue(), stmmac_xdp_xmit_back() and stmmac_rx_zc() functions in drivers/net/ethernet/stmicro/stmmac/stmmac_main.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/3f7823219407f2f18044c2b72366a48810c5c821
- https://git.kernel.org/stable/c/45ee0462b88396a0bd1df1991f801c89994ea72b
- https://git.kernel.org/stable/c/4d0ceb7677e1c4616afb96abb4518f70b65abb0d
- https://git.kernel.org/stable/c/5e5988736a95b1de7f91b10ac2575454b70e4897
- https://git.kernel.org/stable/c/a48e232210009be50591fdea8ba7c07b0f566a13