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f5F5F5:K13145361
HistoryJan 27, 2016 - 12:00 a.m.

K13145361 : Linux kernel KVM subsystem vulnerability CVE-2014-3647

2016-01-2700:00:00
my.f5.com
17

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

56.0%

Security Advisory Description

arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel through 3.17.2 does not properly perform RIP changes, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application. (CVE-2014-3647)
Impact
A local user with Advanced Shell (bash) access on a vCMP guest may be able to exploit this vulnerability to cause a denial of service (DoS) for the vCMP guest (only the vCMP guest). The vCMP Host/Hypervisor is not impacted by this vulnerability.Important: Standard Non-vCMP deployments are not vulnerable. Only deployments using vCMP guests are vulnerable.

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

56.0%