Race Condition Affecting kernel-debuginfo-common-i686 package, versions <0:4.14.200-116.320.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNELDEBUGINFOCOMMONI686-1723766
  • published27 Sept 2021
  • disclosed13 Sept 2020

Introduced: 13 Sep 2020

CVE-2020-25285  (opens in a new tab)
CWE-362  (opens in a new tab)
CWE-787  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-debuginfo-common-i686 to version 0:4.14.200-116.320.amzn1 or higher.
This issue was patched in ALAS-2020-1437.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo-common-i686 package and not the kernel-debuginfo-common-i686 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel before 5.8.8 could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact, aka CID-17743798d812.

CVSS Scores

version 3.1