SB20260928257 - Deadlock in Linux kernel target iscsi driver



SB20260928257 - Deadlock in Linux kernel target iscsi driver

Published: September 28, 2026 Updated: September 30, 2026

Security Bulletin ID SB20260928257
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Deadlock (CVE-ID: CVE-2026-97951)

CWE-ID: CWE-833 - Deadlock

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to cause a denial of service.

The vulnerability exists due to improper command completion in the iSCSI target dataout handler when processing final dataout PDUs for a WRITE command aborted by a LUN reset. A remote user can send remaining dataout PDUs to cause a denial of service.


Remediation

Install update from vendor's website.