CVE-2016-9588

medium

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

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ef85b67385436ddc1998f45f1d6a210f935b3388

http://www.debian.org/security/2017/dsa-3804

http://www.openwall.com/lists/oss-security/2016/12/15/3

http://www.securityfocus.com/bid/94933

https://access.redhat.com/errata/RHSA-2017:1842

https://access.redhat.com/errata/RHSA-2017:2077

https://bugzilla.redhat.com/show_bug.cgi?id=1404924

https://github.com/torvalds/linux/commit/ef85b67385436ddc1998f45f1d6a210f935b3388

https://usn.ubuntu.com/3822-1/

https://usn.ubuntu.com/3822-2/

Details

Source: MITRE

Published: 2016-12-28

Updated: 2018-11-28

Type: CWE-388

Risk Information

CVSS v2

Base Score: 2.1

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

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 5.5

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

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM