PT-2019-4892 · Xen+1 · Xen+1

Andrew Cooper + 1 · Published 2019-03-05 · Updated 2022-03-31 · CVE-2019-17345

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Xen versions 4.8.x through 4.11.x

Description The issue allows x86 PV guest OS users to cause a denial of service due to mishandling of failed IOMMU operations, which causes a bug check during the cleanup of a crashed guest. This is a result of insufficient input validation, enabling an attacker to exploit the issue and cause a denial of service.

Recommendations For Xen versions 4.8.x through 4.11.x, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2020-01484

CVE-2019-17345

DSA-4602-1

SUSE-RU-2019:2767-1

SUSE-SU-2019:2753-1

SUSE-SU-2019:2769-1

Affected Products

Suse

Xen

References · 65

• http://xenbits.xen.org/xsa/advisory-291.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-17345 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-17345 · Security Note
• https://osv.dev/vulnerability/SUSE-RU-2019:2767-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20200327SE16 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2753-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-17345 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-01484 · Security Note
• https://xenbits.xen.org/xsa/advisory-291.html · Vendor Advisory
• https://debian.org/security/2020/dsa-4602 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-17345 · Security Note
• https://osv.dev/vulnerability/DSA-4602-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2769-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2019-17345 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-17345 · Vendor Advisory