Integer Overflow or Wraparound Affecting kernel-tools-libs package, versions <0:4.18.0-305.el8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th 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 IDSNYK-RHEL8-KERNELTOOLSLIBS-5815354
  • published26 Jul 2021
  • disclosed24 Jan 2021

Introduced: 24 Jan 2021

CVE-2021-3428  (opens in a new tab)
CWE-190  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:8 kernel-tools-libs to version 0:4.18.0-305.el8 or higher.
This issue was patched in RHSA-2021:1578.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs package and not the kernel-tools-libs package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.

CVSS Scores

version 3.1