Out-of-Bounds Affecting kernel-tools-libs package, versions <0:3.10.0-1160.11.1.el7


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELTOOLSLIBS-2179069
  • published26 Jul 2021
  • disclosed5 Nov 2019

Introduced: 5 Nov 2019

CVE-2020-10769  (opens in a new tab)
CWE-119  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Centos:7 kernel-tools-libs to version 0:3.10.0-1160.11.1.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs package and not the kernel-tools-libs package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

A buffer over-read flaw was found in RH kernel versions before 5.0 in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. When a payload longer than 4 bytes, and is not following 4-byte alignment boundary guidelines, it causes a buffer over-read threat, leading to a system crash. This flaw allows a local attacker with user privileges to cause a denial of service.

CVSS Scores

version 3.1