CVE-2014-3646

moderate-risk
Published 2014-11-10

arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel through 3.17.2 does not have an exit handler for the INVVPID instruction, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application.

Do I need to act?

-
0.10% 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
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (6)

Affected Vendors

Suse Linux Debian Canonical Redhat Opensuse

References (24)

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=...
Mailing List http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2015-0126.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2015-0284.html
Third Party Advisory http://www.debian.org/security/2014/dsa-3060
Mailing List http://www.openwall.com/lists/oss-security/2014/10/24/9
Third Party Advisory http://www.ubuntu.com/usn/USN-2394-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2417-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2418-1
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1144825
Patch https://github.com/torvalds/linux/commit/a642fc305053cc1c6e47e4f4df327895747ab48...
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=...
Mailing List http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2015-0126.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2015-0284.html
Third Party Advisory http://www.debian.org/security/2014/dsa-3060
Mailing List http://www.openwall.com/lists/oss-security/2014/10/24/9
Third Party Advisory http://www.ubuntu.com/usn/USN-2394-1
and 4 more references
31
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 13/34 · Low