Vulnerability Details : CVE-2014-3646
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.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2014-3646
Probability of exploitation activity in the next 30 days: 0.30%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 66 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2014-3646
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.7
|
MEDIUM | AV:L/AC:M/Au:N/C:N/I:N/A:C |
3.4
|
6.9
|
NIST |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
References for CVE-2014-3646
-
http://www.openwall.com/lists/oss-security/2014/10/24/9
oss-security - kvm issuesMailing List;Patch;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
[security-announce] SUSE-SU-2015:0481-1: important: Security update forMailing List;Third Party Advisory
-
http://www.ubuntu.com/usn/USN-2417-1
USN-2417-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
[security-announce] openSUSE-SU-2015:0566-1: important: kernel update foMailing List;Third Party Advisory
-
http://www.ubuntu.com/usn/USN-2394-1
USN-2394-1: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.debian.org/security/2014/dsa-3060
Debian -- Security Information -- DSA-3060-1 linuxThird Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1144825
1144825 – (CVE-2014-3646) CVE-2014-3646 kernel: kvm: vmx: invvpid vm exit not handledIssue Tracking;Patch;Third Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2015-0284.html
RHSA-2015:0284 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.ubuntu.com/usn/USN-2418-1
USN-2418-1: Linux kernel (OMAP4) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a642fc305053cc1c6e47e4f4df327895747ab485
-
https://github.com/torvalds/linux/commit/a642fc305053cc1c6e47e4f4df327895747ab485
kvm: vmx: handle invvpid vm exit gracefully · torvalds/linux@a642fc3 · GitHubPatch;Third Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2015-0126.html
RHSA-2015:0126 - Security Advisory - Red Hat Customer PortalThird Party Advisory
Products affected by CVE-2014-3646
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:ltss:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
- cpe:2.3:o:opensuse:evergreen:11.4:*:*:*:*:*:*:*