PT-2019-5139 · Xen+1 · Xen+1

Jan Beulich · Published 2019-10-07 · Updated 2022-03-31 · CVE-2019-17340

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Xen versions prior to 4.12

Description The issue is related to the mishandling of grant-table transfer requests, allowing x86 guest OS users to cause a denial of service or gain privileges. It is also associated with an insufficient input validation mechanism, which can be exploited to gain unauthorized access to confidential data, cause a denial of service, and impact data integrity.

Recommendations For Xen versions prior to 4.12, update to version 4.12 or later to resolve the issue. At the moment, there is no information about other versions that contain a fix for this issue.

Fix

DoS

Memory Leak

RCE

Weakness Enumeration

CWE-401

CWE-20

Related Identifiers

BDU:2020-01806

CVE-2019-17340

DSA-4602-1

SUSE-RU-2019:2767-1

SUSE-SU-2019:14199-1

SUSE-SU-2019:14201-1

SUSE-SU-2019:2753-1

SUSE-SU-2019:2769-1

SUSE-SU-2019:2783-1

SUSE-SU-2019_14199-1

SUSE-SU-2020:0388-1

Affected Products

Suse

Xen

References · 109

• 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-2019-17340 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2783-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:14199-1 · Vendor Advisory
• https://xenbits.xen.org/xsa/advisory-284.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-17340 · Security Note
• https://bdu.fstec.ru/vul/2020-01806 · Security Note
• https://osv.dev/vulnerability/CVE-2019-17340 · Vendor Advisory
• https://debian.org/security/2020/dsa-4602 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-17340 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4602-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2769-1 · Vendor Advisory
• http://xenbits.xen.org/xsa/advisory-284.html · Vendor Advisory