SB2026081609 - Improper control of a resource through its lifetime in Linux kernel afs

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2026081609

SB2026081609 - Improper control of a resource through its lifetime in Linux kernel afs

Published: August 16, 2026

Security Bulletin ID SB2026081609
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper control of a resource through its lifetime (CVE-ID: CVE-2026-72371)

CWE-ID: CWE-664 - Improper control of a resource through its lifetime

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


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

The vulnerability exists due to improper state management in afs_insert_volume_into_cell() when replacing an AFS volume entry in the cell volume tree. A local user can trigger volume replacement operations to cause a denial of service.

The issue can cause the old volume to be removed from the tree twice while the new volume is never removed.


Remediation

Install update from vendor's website.

References