SB20260928401 - Use-after-free in Linux kernel scsi qla2xxx driver
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB20260928401
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2026-97531)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 7.7 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause memory corruption.
The vulnerability exists due to a use-after-free in the qla2xxx host_map lookup path when report ID acquisition races with virtual port teardown. A remote attacker can trigger report ID acquisition for a virtual port being deleted to cause memory corruption.
Remediation
Install update from vendor's website.