Buffer Overflow Affecting kernel-debuginfo-common-x86_64 package, versions <0:4.14.203-156.332.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN2-KERNELDEBUGINFOCOMMONX8664-1688538
  • published27 Sept 2021
  • disclosed9 Sept 2020

Introduced: 9 Sep 2020

CVE-2020-25211  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 kernel-debuginfo-common-x86_64 to version 0:4.14.203-156.332.amzn2 or higher.
This issue was patched in ALAS2-2020-1556.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo-common-x86_64 package and not the kernel-debuginfo-common-x86_64 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of incorrect protocol numbers in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c, aka CID-1cc5ef91d2ff.

CVSS Scores

version 3.1