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NULL Pointer Dereference Affecting kernel package, versions <0:4.14.59-68.43.amzn2

Severity

 Recommended
low

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.3% (71st percentile)

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  • Snyk IDSNYK-AMZN2-KERNEL-1665134
  • published27 Sept 2021
  • disclosed3 Jul 2018
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Introduced: 3 Jul 2018

CVE-2018-13094  (opens in a new tab)
CWE-476  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Amazon-Linux:2 kernel to version 0:4.14.59-68.43.amzn2 or higher.
This issue was patched in ALAS2-2018-1051.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

An issue was discovered in fs/xfs/libxfs/xfs_attr_leaf.c in the Linux kernel through 4.17.3. An OOPS may occur for a corrupted xfs image after xfs_da_shrink_inode() is called with a NULL bp.