SB2026030963 - Memory leak in Linux kernel fs



SB2026030963 - Memory leak in Linux kernel fs

Published: March 9, 2026 Updated: April 28, 2026

Security Bulletin ID SB2026030963
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) Memory leak (CVE-ID: CVE-2024-14027)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: 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/E:P/U:Clear


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the SYSCALL_DEFINE5(), SYSCALL_DEFINE4(), SYSCALL_DEFINE3() and SYSCALL_DEFINE2() functions in fs/xattr.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.