CVE-2016-8630

The x86_decode_insn function in arch/x86/kvm/emulate.c in the Linux kernel before 4.8.7, when KVM is enabled, allows local users to cause a denial of service (host OS crash) via a certain use of a ModR/M byte in an undefined instruction.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.7	Release Notes
https://github.com/torvalds/linux/commit/d9092f52d7e61dd1557f2db2400ddb430e85937e	Issue Tracking Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/22/3	Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1393350	Issue Tracking
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d9092f52d7e61dd1557f2db2400ddb430e85937e	Issue Tracking Patch Vendor Advisory
http://www.securityfocus.com/bid/94459
http://rhn.redhat.com/errata/RHSA-2017-0387.html
http://rhn.redhat.com/errata/RHSA-2017-0386.html

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Information

Published : 2016-11-27 19:59

Updated : 2023-02-12 15:26

NVD link : CVE-2016-8630

Mitre link : CVE-2016-8630

JSON object : View

CWE

CWE-284

Improper Access Control

CWE-476

NULL Pointer Dereference

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Products Affected

linux

linux_kernel

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