CVE-2025-38075

MEDIUM

Linux kernel - NULL Pointer Dereference

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix timeout on deleted connection NOPIN response timer may expire on a deleted connection and crash with such logs: 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 BUG: Kernel NULL pointer dereference on read at 0x00000000 NIP strlcpy+0x8/0xb0 LR iscsit_fill_cxn_timeout_err_stats+0x5c/0xc0 [iscsi_target_mod] Call Trace: iscsit_handle_nopin_response_timeout+0xfc/0x120 [iscsi_target_mod] call_timer_fn+0x58/0x1f0 run_timer_softirq+0x740/0x860 __do_softirq+0x16c/0x420 irq_exit+0x188/0x1c0 timer_interrupt+0x184/0x410 That is because nopin response timer may be re-started on nopin timer expiration. Stop nopin timer before stopping the nopin response timer to be sure that no one of them will be re-started.

Scores

CVSS v3 5.5
EPSS 0.0010
EPSS Percentile 28.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (28)
debian/debian_linux 11.0
linux/Kernel 3.1.0 - 5.4.294linux
linux/Kernel 5.11.0 - 5.15.185linux
linux/Kernel 5.16.0 - 6.1.141linux
linux/Kernel 5.5.0 - 5.10.238linux
linux/Kernel 6.13.0 - 6.14.9linux
linux/Kernel 6.2.0 - 6.6.93linux
linux/Kernel 6.7.0 - 6.12.31linux
Linux/Linux < 3.1
Linux/Linux 3.1
... and 18 more
Published Jun 18, 2025
Tracked Since Feb 18, 2026