CVE-2020-36311

Summary

CVECVE-2020-36311
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-04-07 00:15:00 UTC
Updated2022-05-03 13:05:00 UTC
DescriptionAn 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.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9 MISC cdn.kernel.org
Debian -- Security Information -- DSA-4941-1 linux DEBIAN www.debian.org
[SECURITY] [DLA 2714-1] linux-4.19 security update MLIST lists.debian.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159393 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9450)
  • 159394 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel-container (ELSA-2021-9451)
  • 174916 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1210-1)
  • 174917 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1211-1)
  • 174919 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1238-1)
  • 174925 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1248-1)
  • 174938 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1301-1)
  • 178710 Debian Security Update for linux (DSA 4941-1)
  • 178713 Debian Security Update for linux-4.19 (DLA 2714-1)
  • 198487 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5071-1)
  • 198502 Ubuntu Security Notification for Linux kernel (HWE) Vulnerabilities (USN-5071-2)
  • 198548 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5120-1)
  • 353145 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-006
  • 670416 EulerOS Security Update for kernel (EulerOS-SA-2021-1983)
  • 670449 EulerOS Security Update for kernel (EulerOS-SA-2021-2051)
  • 670514 EulerOS Security Update for kernel (EulerOS-SA-2021-2272)
  • 750004 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1573-1)
  • 750006 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1596-1)
  • 750015 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1624-1)
  • 750199 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:0758-1)
  • 750261 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:0579-1)
  • 750650 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1975-1)
  • 750652 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1977-1)
  • 750762 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1977-1)
  • 750766 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1975-1)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report