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Vulnerability Details : CVE-2011-2493

The ext4_fill_super function in fs/ext4/super.c in the Linux kernel before 2.6.39 does not properly initialize a certain error-report data structure, which allows local users to cause a denial of service (OOPS) by attempting to mount a crafted ext4 filesystem.
Publish Date : 2012-06-13 Last Update Date : 2012-06-14
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- CVSS Scores & Vulnerability Types

CVSS Score
2.1
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 Partial (There is reduced performance or interruptions in resource availability.)
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 CWE id is not defined for this vulnerability

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-2493 oval:org.opensuse.security:def:20112493 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-2011-2493

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 2.6.38 RC4 Version Details Vulnerabilities
2 OS Linux Linux Kernel 2.6.38 RC2 Version Details Vulnerabilities
3 OS Linux Linux Kernel 2.6.38 RC7 Version Details Vulnerabilities
4 OS Linux Linux Kernel 2.6.38 RC3 Version Details Vulnerabilities
5 OS Linux Linux Kernel 2.6.38 RC6 Version Details Vulnerabilities
6 OS Linux Linux Kernel 2.6.38 Version Details Vulnerabilities
7 OS Linux Linux Kernel 2.6.38 RC8 Version Details Vulnerabilities
8 OS Linux Linux Kernel 2.6.38 RC1 Version Details Vulnerabilities
9 OS Linux Linux Kernel 2.6.38 RC5 Version Details Vulnerabilities
10 OS Linux Linux Kernel 2.6.38.1 Version Details Vulnerabilities
11 OS Linux Linux Kernel 2.6.38.2 Version Details Vulnerabilities
12 OS Linux Linux Kernel 2.6.38.3 Version Details Vulnerabilities
13 OS Linux Linux Kernel 2.6.38.4 Version Details Vulnerabilities
14 OS Linux Linux Kernel 2.6.38.5 Version Details Vulnerabilities
15 OS Linux Linux Kernel 2.6.38.6 Version Details Vulnerabilities
16 OS Linux Linux Kernel 2.6.38.7 Version Details Vulnerabilities
17 OS Linux Linux Kernel 2.6.38.8 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 17

- References For CVE-2011-2493

http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 CONFIRM
https://github.com/torvalds/linux/commit/0449641130f5652b344ef6fa39fa019d7e94660a CONFIRM
http://www.openwall.com/lists/oss-security/2011/06/24/4
MLIST [oss-security] 20110624 Re: CVE request: kernel: ext4: init timer earlier to avoid a kernel panic in __save_error_info
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0449641130f5652b344ef6fa39fa019d7e94660a CONFIRM

- Metasploit Modules Related To CVE-2011-2493

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


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