CVE-2019-17345 — Improper Input Validation in XEN

CWE-20 — Improper Input Validation6 documents6 sources
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 77.40%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
XENDebian XENDebian Linux
Timeline
PublishedOct 8
Latest updateMay 24

Description

An issue was discovered in Xen 4.8.x through 4.11.x allowing x86 PV guest OS users to cause a denial of service because mishandling of failed IOMMU operations causes a bug check during the cleanup of a crashed guest.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HExploitability: 2.0 | Impact: 4.0

Affected Packages3 packages

▶debiandebian/xen< xen 4.11.1+92-g6c33308a8d-1 (bookworm)
▶Debianxen/xen< 4.11.1+92-g6c33308a8d-1+3
▶NVDxen/xen4.8.0 — 4.11.2

Also affects: Debian Linux 10.0, 9.0

🔴Vulnerability Details

2
GHSA
GHSA-ph73-rj9x-9q3g: An issue was discovered in Xen 4↗2022-05-24
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OSV
CVE-2019-17345: An issue was discovered in Xen 4↗2019-10-08
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📋Vendor Advisories

2
Red Hat
xen: xsa291: x86/PV: page type reference counting issue with failed IOMMU update↗2019-03-05
▶
Debian
CVE-2019-17345: xen - An issue was discovered in Xen 4.8.x through 4.11.x allowing x86 PV guest OS use...↗2019
▶

💬Community

1
Bugzilla
CVE-2019-17345 xen: xsa291: x86/PV: page type reference counting issue with failed IOMMU update↗2019-03-05
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