CVE-2016-9588

MEDIUM

Linux Kernel < 4.9 - Denial of Service

Title source: rule

Description

arch/x86/kvm/vmx.c in the Linux kernel through 4.9 mismanages the #BP and #OF exceptions, which allows guest OS users to cause a denial of service (guest OS crash) by declining to handle an exception thrown by an L2 guest.

References (10)

[Patch, Vendor Advisory] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ef85b67385436ddc1998f45f1d6a210f935b3388

[Mailing List, Patch] http://www.openwall.com/lists/oss-security/2016/12/15/3

[Issue Tracking] https://bugzilla.redhat.com/show_bug.cgi?id=1404924

[Patch, Vendor Advisory] https://github.com/torvalds/linux/commit/ef85b67385436ddc1998f45f1d6a210f935b3388

View Patch ZIP pw:eip

[Vendor Advisory] https://usn.ubuntu.com/3822-1/

[Vendor Advisory] https://usn.ubuntu.com/3822-2/

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/94933

[Third Party Advisory] http://www.debian.org/security/2017/dsa-3804

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2017:1842

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2017:2077

Scores

CVSS v3 5.5

EPSS 0.0008

EPSS Percentile 22.5%

Attack Vector LOCAL

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-388

Status published

Affected Products (2)

linux/linux_kernel < 4.9

n/a/n/a

Timeline

Published Dec 28, 2016

Tracked Since Feb 18, 2026