SB20261007140 - Incomplete cleanup in Linux kernel mm



SB20261007140 - Incomplete cleanup in Linux kernel mm

Published: October 7, 2026

Security Bulletin ID SB20261007140
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) Incomplete cleanup (CVE-ID: CVE-2026-98224)

CWE-ID: CWE-459 - Incomplete cleanup

CVSSv4: 4.8 [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]


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

The vulnerability exists due to incomplete cleanup of memory accounting in mm/vma.c when call_mmap_prepare() fails after memory has been accounted for a mapping. A local user can trigger this failure to cause a denial of service.


Remediation

Install update from vendor's website.