CVE-2012-4461

LowCVSS 1.9/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 1.9/10AV:L/AC:M/Au:N/C:N/I:N/A:P

Affected software

No affected versions have been published.

Timeline

Published: Jan 22, 2013
Last modified: Jun 16, 2026
NVD status: Modified

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