Unchecked Error Condition Affecting kernel-bootwrapper package, versions <0:3.10.0-327.el7


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.15% (53rd percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELBOOTWRAPPER-2055904
  • published26 Jul 2021
  • disclosed27 Jan 2015

Introduced: 27 Jan 2015

CVE-2015-0239  (opens in a new tab)
CWE-391  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Centos:7 kernel-bootwrapper to version 0:3.10.0-327.el7 or higher.

NVD Description

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

The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.

CVSS Scores

version 3.1