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ubuntucveUbuntu.comUB:CVE-2012-4461
HistoryNov 06, 2012 - 12:00 a.m.

CVE-2012-4461

2012-11-0600:00:00
ubuntu.com
ubuntu.com
9

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:N/I:N/A:P

0.0004 Low

EPSS

Percentile

5.2%

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu11.10noarchlinux< 3.0.0-30.47UNKNOWN
ubuntu12.04noarchlinux< 3.2.0-36.57UNKNOWN
ubuntu12.10noarchlinux< 3.5.0-22.34UNKNOWN
ubuntu10.04noarchlinux-lts-backport-oneiric< 3.0.0-30.47~lucid1UNKNOWN
ubuntu12.04noarchlinux-lts-quantal< 3.5.0-22.34~precise1UNKNOWN

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:N/I:N/A:P

0.0004 Low

EPSS

Percentile

5.2%