CVE-2014-3646 Information

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 Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a642fc305053cc1c6e47e4f4df327895747ab485 http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html http://rhn.redhat.com/errata/RHSA-2015-0126.html http://rhn.redhat.com/errata/RHSA-2015-0284.html http://www.debian.org/security/2014/dsa-3060 http://www.openwall.com/lists/oss-security/2014/10/24/9 http://www.ubuntu.com/usn/USN-2394-1 http://www.ubuntu.com/usn/USN-2417-1 http://www.ubuntu.com/usn/USN-2418-1 https://bugzilla.redhat.com/show_bug.cgi?id=1144825 https://github.com/torvalds/linux/commit/a642fc305053cc1c6e47e4f4df327895747ab485

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5