PT-2016-5389 · Linux+1 · Linux Kernel+1

Andy Lutomirski · Publicado 2016-04-12 · Atualizado 2016-12-03 · CVE-2016-3157

Positive Technologies (AI Summary)

CVSS v3.1

7.8

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to the switch to function in the Linux kernel, which does not properly context-switch IOPL on 64-bit PV Xen guests. This allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Enumeração de Fraquezas

CWE-264

Identificadores relacionados

CVE-2016-3157

DLA-516-1

DSA-3607-1

USN-2965-1

USN-2965-2

USN-2965-3

USN-2965-4

USN-2968-1

USN-2968-2

USN-2969-1

USN-2970-1

USN-2971-1

USN-2971-2

USN-2971-3

USN-2996-1

USN-2997-1

Produtos afetados

Linux Kernel

Ubuntu

Referências · 63

• http://ubuntu.com/usn/USN-2968-1 · Aviso do Fabricante
• http://securitytracker.com/id/1035308 · Nota
• https://osv.dev/vulnerability/DSA-3607-1 · Aviso do Fabricante
• https://osv.dev/vulnerability/USN-2970-1 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2016-3140 · Aviso do Fabricante
• https://ubuntu.com/security/notices/USN-2965-3 · Aviso do Fabricante
• http://ubuntu.com/usn/USN-2997-1 · Aviso do Fabricante
• http://ubuntu.com/usn/USN-2968-2 · Aviso do Fabricante
• https://ubuntu.com/security/notices/USN-2997-1 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2016-3156 · Aviso do Fabricante
• http://ubuntu.com/usn/USN-2996-1 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2016-2188 · Aviso do Fabricante
• https://security-tracker.debian.org/tracker/CVE-2016-3157 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2016-3689 · Aviso do Fabricante
• https://ubuntu.com/security/notices/USN-2968-2 · Aviso do Fabricante