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.
MLIST:[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 CONFIRM:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=6d1068b3a98519247d8ba4ec85cd40ac136dbdf9 CONFIRM:http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.6.9 CONFIRM:https://bugzilla.redhat.com/show_bug.cgi?id=862900 REDHAT:RHSA-2013:0223 URL:http://rhn.redhat.com/errata/RHSA-2013-0223.html REDHAT:RHSA-2013:0882 URL:http://rhn.redhat.com/errata/RHSA-2013-0882.html SUSE:SUSE-SU-2012:1679 URL:https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html SUSE:openSUSE-SU-2013:0925 URL:http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html BID:56414 URL:http://www.securityfocus.com/bid/56414 SECUNIA:51160 URL:http://secunia.com/advisories/51160
Assigning CNA
N/A
Date Entry Created
20120821	Disclaimer: The entry 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
This is an entry on the CVE List, which provides common identifiers for publicly known cybersecurity vulnerabilities.
Search CVE Using Keywords: You can also search by reference using the CVE Reference Maps.
For More Information: cve@mitre.org