SB2026092544 - Improper locking in Linux kernel ethernet amd driver
Published: September 25, 2026
Security Bulletin ID
SB2026092544
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper locking (CVE-ID: CVE-2026-93815)
CWE-ID: CWE-667 - Improper Locking
CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to trigger an invalid wait context.
The vulnerability exists due to improper locking in au1000_close() in the au1000 Ethernet driver when stopping the network device. A local user can invoke the affected close operation to trigger an invalid wait context.
Remediation
Install update from vendor's website.