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Vulnerability Details : CVE-2009-3290

The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1, and other versions before 2.6.31, when running on x86 systems, does not prevent access to MMU hypercalls from ring 0, which allows local guest OS users to cause a denial of service (guest kernel crash) and read or write guest kernel memory via unspecified "random addresses."
Publish Date : 2009-09-22 Last Update Date : 2017-09-18
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
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

- Vendor Statements

Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/CVE-2009-3290 This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, and Red Hat Enterprise MRG as KVM (Kernel-based Virtual Machine) is only supported in Red Hat Enterprise Linux 5. A future kernel update in Red Hat Enterprise Linux 5 will address this flaw.
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat important
7.2
AV:L/AC:L/Au:N/C:C/I:C/A:C 2009-09-18 2009-08-03
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- Related OVAL Definitions

Title Definition Id Class Family
DSA-1907 kvm -- several vulnerabilities oval:org.mitre.oval:def:7760 unix
DSA-1907-1 kvm -- several vulnerabilities oval:org.mitre.oval:def:13413 unix
DSA-1915 linux-2.6 -- privilege escalation/denial of service/sensitive memory leak oval:org.mitre.oval:def:7639 unix
DSA-1915-1 linux-2.6 -- privilege escalation/denial of service/sensitive memory leak oval:org.mitre.oval:def:13588 unix
ELSA-2009:1465: kvm security and bug fix update (Important) oval:org.mitre.oval:def:22837 unix
RHSA-2009:1465: kvm security and bug fix update (Important) oval:com.redhat.rhsa:def:20091465 unix
The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1, and other versions befor... oval:org.mitre.oval:def:11328 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-2009-3290

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 2.6.25 RC1 Version Details Vulnerabilities
2 OS Linux Linux Kernel 2.6.30 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 2

- References For CVE-2009-3290

https://bugzilla.redhat.com/show_bug.cgi?id=524124 CONFIRM
http://www.ubuntu.com/usn/USN-852-1
UBUNTU USN-852-1
http://www.redhat.com/support/errata/RHSA-2009-1465.html
REDHAT RHSA-2009:1465
http://www.openwall.com/lists/oss-security/2009/09/21/1
MLIST [oss-security] 20090921 Re: CVE request: kernel: KVM: x86: Disallow hypercalls for guest callers in rings > 0
http://www.openwall.com/lists/oss-security/2009/09/22/8
MLIST [oss-security] 20090922 Re: CVE request: kernel: KVM: x86: Disallow hypercalls for guest callers in rings > 0
http://www.openwall.com/lists/oss-security/2009/09/18/1
MLIST [oss-security] 20090918 CVE request: kernel: KVM: x86: Disallow hypercalls for guest callers in rings > 0
http://patchwork.kernel.org/patch/38926/ CONFIRM
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=07708c4af1346ab1521b26a202f438366b7bcffd CONFIRM

- Metasploit Modules Related To CVE-2009-3290

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


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