7.8

CVE-2009-4031

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.

Data is provided by the National Vulnerability Database (NVD)
LinuxLinux Kernel Version < 2.6.32
LinuxLinux Kernel Version2.6.32 Update-
LinuxLinux Kernel Version2.6.32 Updaterc1
LinuxLinux Kernel Version2.6.32 Updaterc2
LinuxLinux Kernel Version2.6.32 Updaterc3
LinuxLinux Kernel Version2.6.32 Updaterc4
LinuxLinux Kernel Version2.6.32 Updaterc5
LinuxLinux Kernel Version2.6.32 Updaterc6
LinuxLinux Kernel Version2.6.32 Updaterc7
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 2.23% 0.83
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.8 10 6.9
AV:N/AC:L/Au:N/C:N/I:N/A:C
CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.