CVE-2025-38075

Severity CVSS v4.0:
Pending analysis
Type:
CWE-476 NULL Pointer Dereference
Publication date:
18/06/2025
Last modified:
17/12/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> scsi: target: iscsi: Fix timeout on deleted connection<br /> <br /> NOPIN response timer may expire on a deleted connection and crash with<br /> such logs:<br /> <br /> Did not receive response to NOPIN on CID: 0, failing connection for I_T Nexus (null),i,0x00023d000125,iqn.2017-01.com.iscsi.target,t,0x3d<br /> <br /> BUG: Kernel NULL pointer dereference on read at 0x00000000<br /> NIP strlcpy+0x8/0xb0<br /> LR iscsit_fill_cxn_timeout_err_stats+0x5c/0xc0 [iscsi_target_mod]<br /> Call Trace:<br /> iscsit_handle_nopin_response_timeout+0xfc/0x120 [iscsi_target_mod]<br /> call_timer_fn+0x58/0x1f0<br /> run_timer_softirq+0x740/0x860<br /> __do_softirq+0x16c/0x420<br /> irq_exit+0x188/0x1c0<br /> timer_interrupt+0x184/0x410<br /> <br /> That is because nopin response timer may be re-started on nopin timer<br /> expiration.<br /> <br /> Stop nopin timer before stopping the nopin response timer to be sure<br /> that no one of them will be re-started.

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 3.1 (including) 5.4.294 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.5 (including) 5.10.238 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11 (including) 5.15.185 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.16 (including) 6.1.141 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.2 (including) 6.6.93 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.7 (including) 6.12.31 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.13 (including) 6.14.9 (excluding)
cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*