CVE-2020-36311 Affecting kernel-livepatch-5_3_18-24_61-default package, versions <1-5.3.4


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.34% (26th percentile)

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  • Snyk IDSNYK-SLES152-KERNELLIVEPATCH53182461DEFAULT-2685680
  • published14 Apr 2022
  • disclosed16 Apr 2021

Introduced: 16 Apr 2021

CVE-2020-36311  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 kernel-livepatch-5_3_18-24_61-default to version 1-5.3.4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-5_3_18-24_61-default package and not the kernel-livepatch-5_3_18-24_61-default package as distributed by SLES. See How to fix? for SLES:15.2 relevant fixed versions and status.

An issue was discovered in the Linux kernel before 5.9. arch/x86/kvm/svm/sev.c allows attackers to cause a denial of service (soft lockup) by triggering destruction of a large SEV VM (which requires unregistering many encrypted regions), aka CID-7be74942f184.

CVSS Base Scores

version 3.1