CVE-2022-0171

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Summary

CVECVE-2022-0171
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-08-26 18:15:08 UTC
Updated2026-10-14 13:17:13 UTC
DescriptionA flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root (host) user-level application to crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure Encrypted Virtualization (SEV).

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-459 | CWE-212 | CWE-459 CWE-459 - Incomplete Cleanup.

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 11.0 All All All
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel 5.18 - All All
Operating System Linux Linux Kernel 5.18 rc1 All All
Operating System Linux Linux Kernel 5.18 rc2 All All
Operating System Linux Linux Kernel 5.18 rc3 All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux 9.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Kernel affected Fixed in kernel 5.18-rc4 Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected V1.1 custom Not specified

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-5257-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
Red Hat Customer Portal - Access to 24x7 support and knowledge af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
[SECURITY] [DLA 3173-1] linux-5.10 security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Mailing List, Patch, Vendor Advisory
2038940 – (CVE-2022-0171) CVE-2022-0171 kernel: KVM: cache incoherence issue in SEV API may lead to kernel crash af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-794697.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 181145 Debian Security Update for linux (DSA 5257-1)
  • 181190 Debian Security Update for linux-5.10 (DLA 3173-1)
  • 183344 Debian Security Update for linux (CVE-2022-0171)
  • 199087 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5792-1)
  • 199094 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5792-2)
  • 199179 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5877-1)
  • 354100 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2022-009
  • 354101 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-021
  • 354439 Amazon Linux Security Advisory for kernel : ALAS2022-2022-150
  • 354468 Amazon Linux Security Advisory for kernel : ALAS2022-2022-185
  • 354542 Amazon Linux Security Advisory for kernel : ALAS-2022-185
  • 355199 Amazon Linux Security Advisory for kernel : ALAS2023-2023-070
  • 377891 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0002)
  • 378468 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-20230042)
  • 378512 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0042)
  • 6140177 AWS Bottlerocket Security Update for kernel (GHSA-5qr2-h2m2-hp3p)
  • 672003 EulerOS Security Update for kernel (EulerOS-SA-2022-2134)
  • 903743 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10776)
  • 903795 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10759)
  • 904265 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10759-1)
  • 904371 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10776-1)
  • 905875 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10776-2)
  • 906326 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10759-2)

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