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Red Hat: CVE-2021-3428: Important: kernel security, bug fix, and enhancement update (Multiple Advisories)

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Red Hat: CVE-2021-3428: Important: kernel security, bug fix, and enhancement update (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
03/04/2022
Created
08/02/2023
Added
08/02/2023
Modified
08/02/2023

Description

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.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2021-3428

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