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NULL Pointer Dereference Affecting kernel-firmware package, versions *

Severity

 Recommended
low

Based on CentOS security rating.

Threat Intelligence

EPSS
0.23% (62nd percentile)

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  • Snyk IDSNYK-CENTOS6-KERNELFIRMWARE-1995564
  • published26 Jul 2021
  • disclosed22 Mar 2018
Report a new vulnerability Found a mistake?

Introduced: 22 Mar 2018

CVE-2018-1092  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for Centos:6 kernel-firmware.

NVD Description

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

The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.

References