SB20260928242 - Deadlock in Linux kernel net driver
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB20260928242
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Deadlock (CVE-ID: CVE-2026-97956)
CWE-ID: CWE-833 - Deadlock
CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a local privileged user to cause a denial of service.
The vulnerability exists due to improper locking in net_failover_slave_name_change() when processing failover slave network device rename operations. A local privileged user can rename a failover slave network device to trigger a deadlock.
Remediation
Install update from vendor's website.