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.
2013-01-22T23:55:02.730
2025-04-11T00:51:21.963
Deferred
CVSSv2: 1.9 (LOW)
AV:L/AC:M/Au:N/C:N/I:N/A:P
3.4
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | linux | linux_kernel | ≤ 3.6.8 | Yes |
Operating System | linux | linux_kernel | 3.6 | Yes |
Operating System | linux | linux_kernel | 3.6.1 | Yes |
Operating System | linux | linux_kernel | 3.6.2 | Yes |
Operating System | linux | linux_kernel | 3.6.3 | Yes |
Operating System | linux | linux_kernel | 3.6.4 | Yes |
Operating System | linux | linux_kernel | 3.6.5 | Yes |
Operating System | linux | linux_kernel | 3.6.6 | Yes |
Operating System | linux | linux_kernel | 3.6.7 | Yes |