CVEvulnerability

CVE-2012-4461

1.9 LOW Published 2013-01-22 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2013-01-22
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
1.9 LOW — AV:L/AC:M/Au:N/C:N/I:N/A:P

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.

Affected configurations

• linux linux kernel (<= 3.6.8) • linux linux kernel 3.6 • linux linux kernel 3.6.1 • linux linux kernel 3.6.2 • linux linux kernel 3.6.3 • linux linux kernel 3.6.4 • linux linux kernel 3.6.5 • linux linux kernel 3.6.6 • linux linux kernel 3.6.7

References