CVE-2016-8630
MEDIUMLinux Kernel < 4.8.7 - Denial of Service via x86 KVM Undefined Instruction Handling
Title source: llmDescription
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.
References (8)
Core 8
Core References
Release Notes x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.7
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/94459
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1393350
Vendor Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0387.html
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/torvalds/linux/commit/d9092f52d7e61dd1557f2db2400ddb430e85937e
Issue Tracking, Patch, Vendor Advisory x_refsource_confirm
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d9092f52d7e61dd1557f2db2400ddb430e85937e
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/11/22/3
Vendor Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0386.html
Scores
CVSS v3
5.5
EPSS
0.0036
EPSS Percentile
28.4%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-284
CWE-476
Status
published
Products (1)
linux/linux_kernel
< 4.8.6
Published
Nov 28, 2016
Tracked Since
Feb 18, 2026