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NULL Pointer Dereference Affecting perf-debuginfo package, versions <0:4.9.58-18.51.amzn1

Severity

 Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN201803-PERFDEBUGINFO-1708451
  • published27 Sept 2021
  • disclosed15 Sept 2017
Report a new vulnerability Found a mistake?

Introduced: 15 Sep 2017

CVE-2017-14340  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 perf-debuginfo to version 0:4.9.58-18.51.amzn1 or higher.
This issue was patched in ALAS-2017-914.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf-debuginfo package and not the perf-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

The XFS_IS_REALTIME_INODE macro in fs/xfs/xfs_linux.h in the Linux kernel before 4.13.2 does not verify that a filesystem has a realtime device, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via vectors related to setting an RHINHERIT flag on a directory.