CVE - CVE-2012-4461

CVE-ID
CVE-2012-4461	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
The KVM subsystem in the Linux kernel before 3.6.9, when running on hosts that use qemu userspace without XSAVE, allows local users to cause a denial of service (kernel OOPS) by using the KVM_SET_SREGS ioctl to set the X86_CR4_OSXSAVE bit in the guest cr4 register, then calling the KVM_RUN ioctl.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:51160 URL:http://secunia.com/advisories/51160 MISC:56414 URL:http://www.securityfocus.com/bid/56414 MISC:RHSA-2013:0223 URL:http://rhn.redhat.com/errata/RHSA-2013-0223.html MISC:RHSA-2013:0882 URL:http://rhn.redhat.com/errata/RHSA-2013-0882.html MISC:SUSE-SU-2012:1679 URL:https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html MISC:[oss-security] 20121106 CVE-2012-4461 -- kernel: kvm: invalid opcode oops on SET_SREGS with OSXSAVE bit set URL:http://www.openwall.com/lists/oss-security/2012/11/06/14 MISC:http://article.gmane.org/gmane.comp.emulators.kvm.devel/100742 URL:http://article.gmane.org/gmane.comp.emulators.kvm.devel/100742 MISC:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git%3Ba=commit%3Bh=6d1068b3a98519247d8ba4ec85cd40ac136dbdf9 URL:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git%3Ba=commit%3Bh=6d1068b3a98519247d8ba4ec85cd40ac136dbdf9 MISC:http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.6.9 URL:http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.6.9 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=862900 URL:https://bugzilla.redhat.com/show_bug.cgi?id=862900 MISC:openSUSE-SU-2013:0925 URL:http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
Assigning CNA
Red Hat, Inc.
Date Record Created
20120821	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20120821)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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