Integer Overflow or Wraparound Affecting kernel-rt-modules-extra package, versions <0:4.18.0-305.rt7.72.el8
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTMODULESEXTRA-1964798
- 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 Centos:8 kernel-rt-modules-extra to version 0:4.18.0-305.rt7.72.el8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-modules-extra package and not the kernel-rt-modules-extra package as distributed by Centos.
See How to fix? for Centos: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.