CVE-2019-17348

xen: xsa294: Insufficient TLB flushing when using PCID

Published Oct 8, 2019 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service because of an incompatibility between Process Context Identifiers (PCID) and shadow-pagetable switching.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-4602-1 xen security update
EUVD EUVD EUVD-2019-7759 An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service because of an incompatibility between Process Context Identifiers (PCID) and shadow-pagetable switching.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.0019}

epss

{'score': 0.00205}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 5, 2024, 1:40 AM
Reserved
Oct 7, 2019, 12:00 AM
Status
Modified
Published
Oct 8, 2019, 1:15 AM
Modified
Jun 17, 2026, 2:23 AM
Severity
Moderate
Public date
Mar 5, 2019, 12:00 AM