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Execution with Unnecessary Privileges Affecting python-perf package, versions <0:3.10.0-1062.el7

Severity

 Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.06% (31st percentile)

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  • Snyk IDSNYK-CENTOS7-PYTHONPERF-2140301
  • published26 Jul 2021
  • disclosed5 Jun 2018
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Introduced: 5 Jun 2018

CVE-2018-10853  (opens in a new tab)
CWE-250  (opens in a new tab)

How to fix?

Upgrade Centos:7 python-perf to version 0:3.10.0-1062.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.

A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest.

References