PT-2018-2672 · Xen+1 · Xen+1

Matthew Daley · Published 2018-11-20 · Updated 2024-06-15 · CVE-2018-19965

Positive Technologies (AI Summary)

CVSS v3.1

5.6

Medium

Base vector

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

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

Description An issue in Xen allows 64-bit PV guest OS users to cause a denial of service, resulting in a host OS crash. This occurs because a non-canonical address can be passed to the TLB flushing code, leading to a #GP[0] exception. The issue exists due to an incorrect mitigation of a previous problem.

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 other information about additional mitigation measures for this vulnerability.

Fix

Weakness Enumeration

CWE-171

Related Identifiers

BDU:2019-01307

CVE-2018-19965

DSA-4369-1

OPENSUSE-SU-2018_4111-1

OPENSUSE-SU-2018_4304-1

OPENSUSE-SU-2019_1226-1

OPENSUSE-SU-2024:11520-1

SUSE-SU-2018:4070-1

SUSE-SU-2018:4300-1

SUSE-SU-2019:0003-1

SUSE-SU-2019:0020-1

SUSE-SU-2019:0827-1

SUSE-SU-2019:13921-1

SUSE-SU-2019:14011-1

SUSE-SU-2020:0388-1

Affected Products

Suse

Xen

References · 218

• https://bdu.fstec.ru/vul/2019-01307 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2024:11520-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:0020-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:13921-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-19965 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-19965 · Security Note
• https://cve.org/CVERecord?id=CVE-2018-19965 · Security Note
• https://xenbits.xen.org/xsa/advisory-279.html · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2018-19965 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4369-1 · Vendor Advisory
• https://debian.org/security/2019/dsa-4369 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:0003-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-19965 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-19965 · Vendor Advisory