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CVE
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CVE-2012-4461Date: (C)2013-01-23   (M)2024-03-08


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 1.9
Exploit Score: 3.4
Impact Score: 2.9
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality: NONE
Integrity: NONE
Availability: PARTIAL
  
Reference:
SECUNIA-51160
BID-56414
RHSA-2013:0223
RHSA-2013:0882
SUSE-SU-2012:1679
http://www.openwall.com/lists/oss-security/2012/11/06/14
http://article.gmane.org/gmane.comp.emulators.kvm.devel/100742
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git%3Ba=commit%3Bh=6d1068b3a98519247d8ba4ec85cd40ac136dbdf9
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.6.9
https://bugzilla.redhat.com/show_bug.cgi?id=862900
openSUSE-SU-2013:0925

OVAL    25
oval:org.secpod.oval:def:104681
oval:org.secpod.oval:def:701130
oval:org.secpod.oval:def:701131
oval:org.secpod.oval:def:1600229
...

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