CVE-2023-52809: 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: scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup() fc_lport_ptp_setup() did not check the return value of fc_rport_create() which can return NULL and would cause a NULL pointer dereference. Address this issue by checking return value of fc_rport_create() and log error message on fc_rport_create() failed.

Affected products

• Linux Linux Kernel: before 4.14.331 (fixed in 4.14.331); from 4.15, before 4.19.300 (fixed in 4.19.300); from 4.20, before 5.4.262 (fixed in 5.4.262); from 5.5, before 5.10.202 (fixed in 5.10.202); from 5.11, before 5.15.140 (fixed in 5.15.140); from 5.16, before 6.1.64 (fixed in 6.1.64); …

Published 2024-05-21. Last modified 2026-06-17.