SB20260113117 - Buffer overflow in Linux kernel ethtool
Published: January 13, 2026
Security Bulletin ID
SB20260113117
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) Buffer overflow (CVE-ID: CVE-2025-68795)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the ethtool_get_strings(), ethtool_get_stats(), ethtool_get_phy_stats_phydev(), ethtool_get_phy_stats_ethtool() and ethtool_get_phy_stats() functions in net/ethtool/ioctl.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/4066b5b546293f44cd6d0e84ece6e3ee7ff27093
- https://git.kernel.org/stable/c/4afcb985355210e1688560dc47e64b94dad35d71
- https://git.kernel.org/stable/c/7b07be1ff1cb6c49869910518650e8d0abc7d25f
- https://git.kernel.org/stable/c/7bea09f60f2ad5d232e2db8f1c14e850fd3fd416
- https://git.kernel.org/stable/c/ca9983bc3a1189bd72f9ae449d925a66b2616326