NULL Pointer Dereference Affecting kernel-debug-devel package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.11% (45th percentile)

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  • Snyk IDSNYK-RHEL6-KERNELDEBUGDEVEL-1380776
  • published26 Jul 2021
  • disclosed22 Mar 2018

Introduced: 22 Mar 2018

CVE-2018-1094  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:6 kernel-debug-devel.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-devel package and not the kernel-debug-devel package as distributed by RHEL. See How to fix? for RHEL:6 relevant fixed versions and status.

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.

CVSS Scores

version 3.1