CVE-2012-4461
Public on 2013-01-22
Modified on 2014-09-15
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.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2013-03-02 | ALAS-2013-166 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv2 | 4.7 | AV:L/AC:M/Au:N/C:N/I:N/A:C |
| NVD | CVSSv2 | 1.9 | AV:L/AC:M/Au:N/C:N/I:N/A:P |