CVE-2025-38075

critical · 9.8

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.

9.8

CVSS

0.5%

EPSS (exploit prob.)

39th

EPSS percentile

2025-06-18

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-476

Affected products

Vendor	Product	Affected versions
linux	linux_kernel	>= 3.1, < 5.4.294
linux	linux_kernel	>= 5.5, < 5.10.238
linux	linux_kernel	>= 5.11, < 5.15.185
linux	linux_kernel	>= 5.16, < 6.1.141
linux	linux_kernel	>= 6.2, < 6.6.93
linux	linux_kernel	>= 6.7, < 6.12.31
linux	linux_kernel	>= 6.13, < 6.14.9
linux	linux_kernel	6.15
linux	linux_kernel	6.15
linux	linux_kernel	6.15
debian	debian_linux	11.0

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-38075