Security Features Affecting kernel package, versions <0:4.1.10-17.31.amzn1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNEL-1691159
  • published27 Sept 2021
  • disclosed16 Nov 2015

Introduced: 16 Nov 2015

CVE-2015-2925  (opens in a new tab)
CWE-254  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel to version 0:4.1.10-17.31.amzn1 or higher.
This issue was patched in ALAS-2015-603.

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:2018.03 relevant fixed versions and status.

The prepend_path function in fs/dcache.c in the Linux kernel before 4.2.4 does not properly handle rename actions inside a bind mount, which allows local users to bypass an intended container protection mechanism by renaming a directory, related to a "double-chroot attack."

References

CVSS Scores

version 3.1