Improper Input Validation Affecting kernel package, versions <0:4.1.13-18.26.amzn1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNEL-1691911
  • published27 Sept 2021
  • disclosed16 Nov 2015

Introduced: 16 Nov 2015

CVE-2015-7872  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel to version 0:4.1.13-18.26.amzn1 or higher.
This issue was patched in ALAS-2015-610.

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 key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 4.2.6 allows local users to cause a denial of service (OOPS) via crafted keyctl commands.

References

CVSS Scores

version 3.1