VULNERABILITY

Oracle Linux: CVE-2020-36311: ELSA-2021-9451: Unbreakable Enterprise kernel-container security update (IMPORTANT) (Multiple Advisories)

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Oracle Linux: CVE-2020-36311: ELSA-2021-9451: Unbreakable Enterprise kernel-container security update (IMPORTANT) (Multiple Advisories)

Severity
2
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:P)
Published
09/11/2020
Created
09/21/2021
Added
09/17/2021
Modified
01/23/2025

Description

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. A flaw was found in the Linux kernel. This flaw allows attackers to cause a denial of service (soft lockup) by triggering the destruction of a large SEV VM, which requires unregistering many encrypted regions. The highest threat from this vulnerability is to system availability.

Solution(s)

  • oracle-linux-upgrade-kernel-uek

References

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