CVE-2022-0171

kernel: KVM: cache incoherence issue in SEV API may lead to kernel crash

Published Aug 26, 2022 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
A 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).

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3173-1 linux-5.10 security update
Debian DSA Debian DSA DSA-5257-1 linux security update
EUVD EUVD EUVD-2022-15379 A 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).
Ubuntu USN Ubuntu USN USN-5792-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5792-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5877-1 Linux kernel (GKE) vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses
  • CWE-212

    Improper Removal of Sensitive Information Before Storage or Transfer

  • CWE-459

    Incomplete Cleanup

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Nov 2, 2026, 6:21 PM
Reserved
Jan 10, 2022, 12:00 AM
Status
Modified
Published
Aug 26, 2022, 6:15 PM
Modified
Nov 2, 2026, 7:17 PM
Severity
Moderate
Public date
Apr 21, 2022, 12:00 AM