SB20260528193 - Improper resource shutdown or release in Linux kernel unix



SB20260528193 - Improper resource shutdown or release in Linux kernel unix

Published: May 28, 2026

Security Bulletin ID SB20260528193
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper resource shutdown or release (CVE-ID: CVE-2026-45887)

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to improper resource shutdown or release in unix_stream_connect() when handling a connection attempt that triggers prepare_peercred() failure. A local user can trigger the error condition to cause a denial of service.


Remediation

Install update from vendor's website.