CVE-2016-9588

low-risk

Published 2016-12-28

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.

Do I need to act?

0.08% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Linux Kernel

Affected Vendors

Linux

References (20)

Patch http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ef85b6...

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

Mailing List 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

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

Patch https://github.com/torvalds/linux/commit/ef85b67385436ddc1998f45f1d6a210f935b338...

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

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