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CVE-2018-12904 Affecting kernel-livepatch-4_12_14-23-default package, versions <2-4.1

Severity

 Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
1.18% (67th percentile)

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  • Snyk IDSNYK-SLES150-KERNELLIVEPATCH4121423DEFAULT-2761611
  • published14 Apr 2022
  • disclosed21 Aug 2018
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Introduced: 21 Aug 2018

CVE-2018-12904  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 kernel-livepatch-4_12_14-23-default to version 2-4.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-4_12_14-23-default package and not the kernel-livepatch-4_12_14-23-default package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.