CVE-2022-39189

kernel: TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading to guest malfunctioning

Published Sep 2, 2022 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3623-1 linux-5.10 security update
Debian DSA Debian DSA DSA-5480-1 linux security update
EUVD EUVD EUVD-2022-41734 An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.
Ubuntu USN Ubuntu USN USN-5667-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5683-1 Linux kernel (IBM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5703-1 Linux kernel (Intel IoTG) vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

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

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
May 5, 2025, 4:13 PM
Reserved
Sep 2, 2022, 12:00 AM
Status
Modified
Published
Sep 2, 2022, 5:15 AM
Modified
Jun 17, 2026, 4:57 AM
Severity
Moderate
Public date
May 30, 2022, 3:30 AM