Vulnerability CVE-2009-3638
Published: 2009-10-29   Modified: 2012-02-13

Description:
Integer overflow in the kvm_dev_ioctl_get_supported_cpuid function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.31.4 allows local users to have an unspecified impact via a KVM_GET_SUPPORTED_CPUID request to the kvm_arch_dev_ioctl function.

See advisories in our WLB2 database:
Topic
Author
Date
High
linux kernel 2.6.25.15 kvm integer overflow kvm_dev_ioctl_get_supported_cpuid()
Eugene Teoleugen...
02.11.2009

Type:

CWE-189

 (Numeric Errors)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Linux -> Kernel 

 References:
http://www.securityfocus.com/bid/36803
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6a54435560efdab1a08f429a954df4d6c740bddf
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html
https://bugzilla.redhat.com/show_bug.cgi?id=530515
http://xforce.iss.net/xforce/xfdb/53934
http://www.ubuntu.com/usn/usn-864-1
http://www.mandriva.com/security/advisories?name=MDVSA-2009:329
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc4
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.4
http://marc.info/?l=oss-security&m=125632898507373&w=2
http://marc.info/?l=oss-security&m=125628917011048&w=2
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