PT-2018-2544 · Xen+1 · Xen+1

Publicado 2018-11-20 · Atualizado 2024-06-15 · CVE-2018-19966

Positive Technologies (AI Summary)

CVSS v3.1

8.8

Alta

Vetor base

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 an interpretation conflict for a union data structure associated with shadow paging, which can be exploited by x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges. This problem arose due to an incorrect fix for a previous issue.

Recommendations For Xen versions prior to 4.12, update to version 4.12 or later to resolve the issue.

Correção

DoS

Enumeração de Fraquezas

CWE-436

CWE-264

Identificadores relacionados

BDU:2019-00953

CVE-2018-19966

DLA-1949-1

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-2019:0825-1

SUSE-SU-2019:0827-1

SUSE-SU-2019:13921-1

SUSE-SU-2019:14011-1

Produtos afetados

Suse

Xen

Referências · 177

• https://suse.com/security/cve/CVE-2016-10025 · Nota
• https://bugzilla.suse.com/1027519 · Nota
• https://suse.com/security/cve/CVE-2018-17962 · Nota
• https://suse.com/security/cve/CVE-2020-29481 · Nota
• https://bugzilla.suse.com/1115047 · Nota
• https://suse.com/security/cve/CVE-2020-29570 · Nota
• https://osv.dev/vulnerability/openSUSE-SU-2024:11520-1 · Aviso do Fabricante
• https://suse.com/security/cve/CVE-2020-15563 · Nota
• https://suse.com/security/cve/CVE-2007-3919 · Nota
• https://suse.com/security/cve/CVE-2016-9382 · Nota
• https://suse.com/support/update/announcement/2019/suse-su-20190827-1 · Nota
• https://suse.com/security/cve/CVE-2020-29483 · Nota
• https://osv.dev/vulnerability/SUSE-SU-2019:0020-1 · Aviso do Fabricante
• https://bugzilla.suse.com/1110924 · Nota
• https://bugzilla.suse.com/1126196 · Nota