NULL pointer dereference in Linux kernel - CVE-2026-97537
Published: September 28, 2026
Vulnerability identifier: #VU152678
CSH Severity: Low
CVSS v4: 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]
CVE-ID: CVE-2026-97537
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Linux kernel
How to mitigate CVE-2026-97537
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3