Out-of-bounds Write Affecting kernel-tools-debuginfo package, versions <0:4.14.200-116.320.amzn1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNELTOOLSDEBUGINFO-1724589
  • published27 Sept 2021
  • disclosed9 Sept 2020

Introduced: 9 Sep 2020

CVE-2020-25212  (opens in a new tab)
CWE-787  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-tools-debuginfo 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-tools-debuginfo package and not the kernel-tools-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.

CVSS Scores

version 3.1