CVE-2009-4031
High
Description
The do_insn_fetch function in arch/x86/kvm/emulate.c in the x86 emulator in the KVM subsystem in the Linux kernel before 2.6.32-rc8-next-20091125 tries to interpret instructions that contain too many bytes to be valid, which allows guest OS users to cause a denial of service (increased scheduling latency) on the host OS via unspecified manipulations related to SMP support.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedNov 29, 2009
First seenNov 29, 2009
How to fix
Update
- linux linux_kernel2.6.32 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 2.6.32, 2.6.32 | 2.6.32 |
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