CVE-2012-4461
- State
- Published
- Severity
- Not scored
- Published
- Jan 22, 2013
- Updated
- Aug 6, 2024
- Reserved
- Aug 21, 2012
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- RHSA-2013:0223vendor-advisory
- 56414vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=862900
- RHSA-2013:0882vendor-advisory
- 51160third-party-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git%3Ba=commit%3Bh=6d1068b3a98519247d8ba4ec85cd40ac136dbdf9
- http://article.gmane.org/gmane.comp.emulators.kvm.devel/100742
- SUSE-SU-2012:1679vendor-advisory
- [oss-security] 20121106 CVE-2012-4461 -- kernel: kvm: invalid opcode oops on SET_SREGS with OSXSAVE bit setmailing-list
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.6.9
- openSUSE-SU-2013:0925vendor-advisory
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