Description
arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 3.17.2 on Intel processors does not ensure that the value in the CR4 control register remains the same after a VM entry, which allows host OS users to kill arbitrary processes or cause a denial of service (system disruption) by leveraging /dev/kvm access, as demonstrated by PR_SET_TSC prctl calls within a modified copy of QEMU.
Exploits
No known exploits found for this CVE.
Search Exploit-DBReferences
secalert@redhat.com
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d974baa398f34393db76be45f7d4d04fbdbb4a0asecalert@redhat.com
http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.htmlsecalert@redhat.com
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlsecalert@redhat.com
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlsecalert@redhat.com
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.htmlsecalert@redhat.com
http://rhn.redhat.com/errata/RHSA-2015-0290.htmlsecalert@redhat.com
http://rhn.redhat.com/errata/RHSA-2015-0782.htmlsecalert@redhat.com
http://rhn.redhat.com/errata/RHSA-2015-0864.htmlsecalert@redhat.com
http://secunia.com/advisories/60174secalert@redhat.com
http://www.debian.org/security/2014/dsa-3060secalert@redhat.com
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.2secalert@redhat.com
http://www.mandriva.com/security/advisories?name=MDVSA-2015:058secalert@redhat.com
http://www.openwall.com/lists/oss-security/2014/10/21/4secalert@redhat.com
http://www.openwall.com/lists/oss-security/2014/10/29/7secalert@redhat.com
http://www.securityfocus.com/bid/70691secalert@redhat.com
http://www.ubuntu.com/usn/USN-2417-1secalert@redhat.com
http://www.ubuntu.com/usn/USN-2418-1secalert@redhat.com
http://www.ubuntu.com/usn/USN-2419-1secalert@redhat.com
http://www.ubuntu.com/usn/USN-2420-1secalert@redhat.com
http://www.ubuntu.com/usn/USN-2421-1secalert@redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=1153322secalert@redhat.com
https://github.com/torvalds/linux/commit/d974baa398f34393db76be45f7d4d04fbdbb4a0aaf854a3a-2127-422b-91ae-364da2661108
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d974baa398f34393db76be45f7d4d04fbdbb4a0aaf854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.htmlaf854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlaf854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlaf854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.htmlaf854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2015-0290.htmlaf854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2015-0782.htmlaf854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2015-0864.htmlaf854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/60174af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2014/dsa-3060af854a3a-2127-422b-91ae-364da2661108
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.2af854a3a-2127-422b-91ae-364da2661108
http://www.mandriva.com/security/advisories?name=MDVSA-2015:058af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2014/10/21/4af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2014/10/29/7af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/70691af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2417-1af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2418-1af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2419-1af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2420-1af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2421-1af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=1153322af854a3a-2127-422b-91ae-364da2661108
https://github.com/torvalds/linux/commit/d974baa398f34393db76be45f7d4d04fbdbb4a0a