SB20260928407 - NULL pointer dereference in Linux kernel scsi qla2xxx driver
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB20260928407
CSH 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 vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2026-97537)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a kernel panic.
The vulnerability exists due to improper handling of a null DMA ring pointer in qla25xx_free_req_que() and qla25xx_free_rsp_que() when freeing a request or response queue after DMA allocation fails during queue creation. A local user can initiate queue creation when DMA allocation fails to cause a kernel panic.
Remediation
Install update from vendor's website.