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Vulnerability Details : CVE-2011-2183

Race condition in the scan_get_next_rmap_item function in mm/ksm.c in the Linux kernel before 2.6.39.3, when Kernel SamePage Merging (KSM) is enabled, allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a crafted application.
Publish Date : 2012-06-13 Last Update Date : 2012-06-14
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- CVSS Scores & Vulnerability Types

CVSS Score
4.0
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 High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 362

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
4.7
AV:L/AC:M/Au:N/C:N/I:N/A:C 2011-06-02 2011-06-02
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-2183 oval:org.opensuse.security:def:20112183 unix
DEPRECATED: ELSA-2011-1189 -- kernel security, bug fix, and enhancement update (important) oval:org.mitre.oval:def:28043 unix
DSA-2389-1 linux-2.6 -- privilege escalation/denial of service/information leak oval:org.mitre.oval:def:15414 unix
ELSA-2011-2025 -- Unbreakable Enterprise kernel security and bug fix update (important) oval:org.mitre.oval:def:28157 unix
ELSA-2011:1189: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:23636 unix
RHSA-2011:1189: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:22054 unix
RHSA-2011:1189: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20111189 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-2011-2183

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 2.6.39 RC1 Version Details Vulnerabilities
2 OS Linux Linux Kernel 2.6.39 Version Details Vulnerabilities
3 OS Linux Linux Kernel 2.6.39 RC5 Version Details Vulnerabilities
4 OS Linux Linux Kernel 2.6.39 RC6 Version Details Vulnerabilities
5 OS Linux Linux Kernel 2.6.39 RC4 Version Details Vulnerabilities
6 OS Linux Linux Kernel 2.6.39 RC7 Version Details Vulnerabilities
7 OS Linux Linux Kernel 2.6.39 RC3 Version Details Vulnerabilities
8 OS Linux Linux Kernel 2.6.39 RC2 Version Details Vulnerabilities
9 OS Linux Linux Kernel 2.6.39.1 Version Details Vulnerabilities
10 OS Linux Linux Kernel 2.6.39.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 10

- References For CVE-2011-2183

http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.3 CONFIRM
http://www.openwall.com/lists/oss-security/2011/06/06/1
MLIST [oss-security] 20110606 Re: CVE request: kernel: ksm: race between ksmd and exiting task
https://bugzilla.redhat.com/show_bug.cgi?id=710338 CONFIRM
https://github.com/torvalds/linux/commit/2b472611a32a72f4a118c069c2d62a1a3f087afd CONFIRM
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2b472611a32a72f4a118c069c2d62a1a3f087afd CONFIRM

- Metasploit Modules Related To CVE-2011-2183

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


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