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)
Core 10
Core References
Patch, Vendor Advisory x_refsource_confirm
https://github.com/torvalds/linux/commit/ef85b67385436ddc1998f45f1d6a210f935b3388
Mailing List, Patch mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/12/15/3
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2077
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:1842
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3822-2/
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2017/dsa-3804
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/94933
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1404924
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3822-1/
Patch, Vendor Advisory x_refsource_confirm
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ef85b67385436ddc1998f45f1d6a210f935b3388
Scores
CVSS v3
5.5
EPSS
0.0008
EPSS Percentile
22.6%
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-388
Status
published
Products (1)
linux/linux_kernel
< 4.9
Published
Dec 28, 2016
Tracked Since
Feb 18, 2026