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.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-2668-1 linux-2.6 security update
EUVD EUVD EUVD-2012-4390 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.
Ubuntu USN Ubuntu USN USN-1688-1 Linux kernel (Oneiric backport) vulnerabilities
Ubuntu USN Ubuntu USN USN-1689-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1696-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1699-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1704-1 Linux kernel (Quantal HWE) vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T20:35:09.606Z

Reserved: 2012-08-21T00:00:00

Link: CVE-2012-4461

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2013-01-22T23:55:02.730

Modified: 2025-04-11T00:51:21.963

Link: CVE-2012-4461

cve-icon Redhat

Severity : Moderate

Publid Date: 2012-11-06T00:00:00Z

Links: CVE-2012-4461 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses