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CentOS Linux: CVE-2018-1094: Important: kernel-alt security, bug fix, and enhancement update (Multiple Advisories)

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CentOS Linux: CVE-2018-1094: Important: kernel-alt security, bug fix, and enhancement update (Multiple Advisories)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
04/02/2018
Created
08/29/2019
Added
08/28/2019
Modified
05/25/2023

Description

The ext4_fill_super function in fs/ext4/super.c in the Linux kernel through 4.15.15 does not always initialize the crc32c checksum driver, which allows attackers to cause a denial of service (ext4_xattr_inode_hash NULL pointer dereference and system crash) via a crafted ext4 image.

Solution(s)

  • centos-upgrade-kernel
  • centos-upgrade-kernel-rt

References

  • CVE-2018-1094
  • RHSA-2018:2948
  • RHSA-2018:3083
  • RHSA-2018:3096

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