Integer Overflow or Wraparound Affecting kernel-tools package, versions <0:4.18.0-305.el8
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Test your applications- Snyk ID SNYK-RHEL8-KERNELTOOLS-5815411
- published 26 Jul 2021
- disclosed 24 Jan 2021
Introduced: 24 Jan 2021
CVE-2021-3428 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-tools 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 package and not the kernel-tools 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.