Race Condition Affecting perf-debuginfo package, versions <0:4.4.23-31.54.amzn1


Severity

Recommended
critical

Based on Amazon Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
81.66% (99th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-AMZN201803-PERFDEBUGINFO-1702817
  • published27 Sept 2021
  • disclosed10 Nov 2016

Introduced: 10 Nov 2016

CVE-2016-5195  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 perf-debuginfo to version 0:4.4.23-31.54.amzn1 or higher.
This issue was patched in ALAS-2016-757.

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.

Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect handling of a copy-on-write (COW) feature to write to a read-only memory mapping, as exploited in the wild in October 2016, aka "Dirty COW."

References

CVSS Scores

version 3.1