Linux Kernel 2.6.28.2 kvm_dev_ioctl_get_supported_cpuid numeric error

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel 2.6.28.2. The impacted element is the function kvm_dev_ioctl_get_supported_cpuid. The manipulation leads to numeric error. This vulnerability is documented as CVE-2009-3638. There is not any exploit available.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.28.2 (Operating System). It has been rated as critical. This issue affects the function kvm_dev_ioctl_get_supported_cpuid. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The issue has been introduced in 12/25/2008. The weakness was released 10/29/2009 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2009-3638. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/24/2021).

The vulnerability was handled as a non-public zero-day exploit for at least 308 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 44827 (Debian DSA-1962-1 : kvm - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175042 (Debian Security Update for Kvm (DSA-1962)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (53934), Tenable (44827), SecurityFocus (BID 36803†) and Vulnerability Center (SBV-23860†). Entry connected to this vulnerability is available at VDB-50652. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.4
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 44827
Nessus Name: Debian DSA-1962-1 : kvm - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 66207
OpenVAS Name: Debian Security Advisory DSA 1927-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/25/2008 🔍
10/09/2009 +287 days 🔍
10/23/2009 +14 days 🔍
10/26/2009 +3 days 🔍
10/29/2009 +3 days 🔍
10/29/2009 +0 days 🔍
02/24/2010 +118 days 🔍
03/18/2015 +1848 days 🔍
08/24/2021 +2351 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-3638 (🔍)
GCVE (CVE): GCVE-0-2009-3638
GCVE (VulDB): GCVE-100-50651

OVAL: 🔍

X-Force: 53934
SecurityFocus: 36803
Vulnerability Center: 23860 - Linux Kernel Prior to 2.6.31.4 Integer Overflow Local Arbitrary Code Execution Vulnerability, High

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 08/24/2021 21:39
Changes: 03/18/2015 15:15 (62), 02/16/2017 10:01 (8), 08/24/2021 21:29 (4), 08/24/2021 21:39 (1)
Complete: 🔍
Cache ID: 216::103

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