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Vulnerability Details : CVE-2012-1601

The KVM implementation in the Linux kernel before 3.3.6 allows host OS users to cause a denial of service (NULL pointer dereference and host OS crash) by making a KVM_CREATE_IRQCHIP ioctl call after a virtual CPU already exists.
Publish Date : 2012-05-17 Last Update Date : 2013-01-23
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- CVSS Scores & Vulnerability Types

Cvss Score
4.9
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
4.0
 AV:L/AC:H/Au:N/C:N/I:N/A:C 2012-03-07 2012-02-07
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- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2012:0571: kernel security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20120571 unix
RHSA-2012:0676: kvm security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20120676 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-1601

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 3.3.5 Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2012-1601

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6 CONFIRM
https://github.com/torvalds/linux/commit/9c895160d25a76c21b65bad141b08e8d4f99afef CONFIRM
http://secunia.com/advisories/49928
SECUNIA 49928
http://www.securitytracker.com/id?1026897
SECTRACK 1026897
http://www.openwall.com/lists/oss-security/2012/03/30/1
MLIST [oss-security] 20120329 Re: CVE request -- kernel: kvm: irqchip_in_kernel() and vcpu->arch.apic inconsistency
https://bugzilla.redhat.com/show_bug.cgi?id=808199 CONFIRM
https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html
SUSE SUSE-SU-2012:1679

- Metasploit Modules Related To CVE-2012-1601

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)
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