SB20260816449 - Improper resource shutdown or release in Linux kernel elx efct driver



SB20260816449 - Improper resource shutdown or release in Linux kernel elx efct driver

Published: August 16, 2026

Security Bulletin ID SB20260816449
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 resource shutdown or release (CVE-ID: CVE-2026-72082)

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

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 resource shutdown or release in efct_hw_io_abort() when handling an I/O abort request after request tag allocation fails. A local user can trigger this error path to cause a denial of service.

The abort_in_progress flag may remain set even though the abort was never submitted, causing subsequent abort attempts for the same I/O to return an in-progress error and block recovery.


Remediation

Install update from vendor's website.