Time-of-check Time-of-use (TOCTOU) Affecting perf package, versions <0:2.6.35.14-97.44.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN201803-PERF-1661449
  • published27 Sept 2021
  • disclosed3 Oct 2012

Introduced: 3 Oct 2012

CVE-2011-1833  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 perf to version 0:2.6.35.14-97.44.amzn1 or higher.
This issue was patched in ALAS-2011-16.

NVD Description

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

Race condition in the ecryptfs_mount function in fs/ecryptfs/main.c in the eCryptfs subsystem in the Linux kernel before 3.1 allows local users to bypass intended file permissions via a mount.ecryptfs_private mount with a mismatched uid.

CVSS Scores

version 3.1