CVE-2023-52508: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: nvme-fc: Prevent null pointer dereference in nvme_fc_io_getuuid() The nvme_fc_fcp_op structure describing an AEN operation is initialized with a null request structure pointer. An FC LLDD may make a call to nvme_fc_io_getuuid passing a pointer to an nvmefc_fcp_req for an AEN operation. Add validation of the request structure pointer before dereference.

Affected products

• Linux Linux Kernel: before 6.1.56 (fixed in 6.1.56); from 6.2, before 6.5.6 (fixed in 6.5.6); version 6.6 only

Published 2024-03-02. Last modified 2026-06-17.