Resource Exhaustion Affecting perf package, versions <0:2.6.32-504.16.2.el6


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (31st percentile)

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  • Snyk IDSNYK-ORACLE6-PERF-2492342
  • published10 Apr 2022
  • disclosed10 Nov 2014

Introduced: 10 Nov 2014

CVE-2014-3690  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Oracle:6 perf to version 0:2.6.32-504.16.2.el6 or higher.
This issue was patched in ELSA-2015-0864.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Oracle. See How to fix? for Oracle:6 relevant fixed versions and status.

arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 3.17.2 on Intel processors does not ensure that the value in the CR4 control register remains the same after a VM entry, which allows host OS users to kill arbitrary processes or cause a denial of service (system disruption) by leveraging /dev/kvm access, as demonstrated by PR_SET_TSC prctl calls within a modified copy of QEMU.

References

CVSS Scores

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