Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.17.2 |
| Redhat | Enterprise Linux | 5.0 |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 7.0 |
| Opensuse | Evergreen | 11.4 |
| Suse | Suse Linux Enterprise Server | 11 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0126.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0284.htmlThird Party Advisory
- http://www.debian.org/security/2014/dsa-3060Third Party Advisory
- http://www.openwall.com/lists/oss-security/2014/10/24/9Mailing ListPatchThird Party Advisory
- http://www.ubuntu.com/usn/USN-2394-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-2417-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-2418-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1144825Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/a642fc305053cc1c6e47e4f4df327895747ab48PatchThird Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2014-3646?
CVE-2014-3646 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...
How severe is CVE-2014-3646?
CVE-2014-3646 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-3646?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux, Canonical Ubuntu Linux, Debian Debian Linux, Opensuse Evergreen.