CVE-2023-53464: 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: iscsi_tcp: Check that sock is valid before iscsi_set_param() The validity of sock should be checked before assignment to avoid incorrect values. Commit 57569c37f0ad ("scsi: iscsi: iscsi_tcp: Fix null-ptr-deref while calling getpeername()") introduced this change which may lead to inconsistent values of tcp_sw_conn->sendpage and conn->datadgst_en. Fix the issue by moving the position of the assignment.

Affected products

• Linux Linux Kernel: from 5.10.150, before 5.10.178 (fixed in 5.10.178); from 5.15.75, before 5.15.107 (fixed in 5.15.107); from 5.19.17, before 6.0 (fixed in 6.0); from 6.0.3, before 6.1.24 (fixed in 6.1.24); from 6.2, before 6.2.11 (fixed in 6.2.11); version 6.3 only

Published 2025-10-01. Last modified 2026-06-17.