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NULL Pointer Dereference Affecting python-perf package, versions <0:3.10.0-514.10.2.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-CENTOS7-PYTHONPERF-2079211
  • published 26 Jul 2021
  • disclosed 2 Nov 2016
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Introduced: 2 Nov 2016

CVE-2016-8630 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade Centos:7 python-perf to version 0:3.10.0-514.10.2.el7 or higher.

NVD Description

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

The x86_decode_insn function in arch/x86/kvm/emulate.c in the Linux kernel before 4.8.7, when KVM is enabled, allows local users to cause a denial of service (host OS crash) via a certain use of a ModR/M byte in an undefined instruction.