2009-4004 | Linux Kernel kvm_vcpu_ioctl_x86_setup_mce memory corruption (BID-37035 / XFDB-54302)

CVSS Meta Temp Score

CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.

Current Exploit Price (≈)

Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.

CTI Interest Score

Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

7.7 $0-$5k 0.22

A vulnerability was found in Linux Kernel (Operating System). It has been classified as critical. Affected is the function kvm_vcpu_ioctl_x86_setup_mce. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. This is going to have an impact on confidentiality, integrity, and availability.

The issue has been introduced in 03/20/2006. The weakness was released 11/19/2009 as confirmed git commit (GIT Repository). The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2009-4004 since 11/19/2009. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn’t require any form of authentication. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1340 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the vulnerability database at X-Force (54302). Entries connected to this vulnerability are available at 50859 and 50857.




VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 7.7

VulDB Base Score: 9.3
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

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Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

03/20/2006 🔍
11/16/2009 +1337 days 🔍
11/17/2009 +1 days 🔍
11/19/2009 +2 days 🔍
11/19/2009 +0 days 🔍
11/19/2009 +0 days 🔍
03/18/2015 +1945 days 🔍
08/28/2021 +2354 days 🔍Vendor: https://www.kernel.org/

Advisory: git.kernel.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-4004 (🔍)
X-Force: 54302
SecurityFocus: 37035 – Linux Kernel KVM ‘KVM_MAX_MCE_BANKS’ Memory Corruption Vulnerability
Secunia: 37357 – Linux Kernel Multiple Vulnerabilities, Less Critical
Vupen: ADV-2009-3267

See also: 🔍

Created: 03/18/2015 15:15
Updated: 08/28/2021 00:49
Changes: (13) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore exploit_price_0day vulnerability_cvss2_nvd_basescore vulnerability_cvss3_nvd_basescore
Complete: 🔍


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