Memory Leak Affecting kernel-macros package, versions <5.3.18-24.99.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Memory Leak vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-SLES152-KERNELMACROS-2651343
  • published14 Apr 2022
  • disclosed26 Jan 2022

Introduced: 26 Jan 2022

CVE-2021-4002  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 kernel-macros to version 5.3.18-24.99.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-macros package and not the kernel-macros package as distributed by SLES. See How to fix? for SLES:15.2 relevant fixed versions and status.

A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget() which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access to some data.

CVSS Scores

version 3.1