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Vulnerability Details : CVE-2012-2745

The copy_creds function in kernel/cred.c in the Linux kernel before 3.3.2 provides an invalid replacement session keyring to a child process, which allows local users to cause a denial of service (panic) via a crafted application that uses the fork system call.
Publish Date : 2012-08-09 Last Update Date : 2013-04-19
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- CVSS Scores & Vulnerability Types

CVSS Score
4.7
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 Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflow
CWE ID 119

- 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 2012-06-01 2012-07-10
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- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2012-1064 -- kernel security and bug fix update (important) oval:org.mitre.oval:def:27400 unix
ELSA-2012-2026 -- Unbreakable Enterprise kernel Security update (important) oval:org.mitre.oval:def:27735 unix
ELSA-2012:1064: kernel security and bug fix update (Important) oval:org.mitre.oval:def:23529 unix
RHSA-2012:1064: kernel security and bug fix update (Important) oval:org.mitre.oval:def:21543 unix
RHSA-2012:1064: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20121064 unix
SUSE-SU-2014:0287-1 -- Security update for Linux kernel oval:org.mitre.oval:def:24665 unix
USN-1597-1 -- linux-ec2 vulnerability oval:org.mitre.oval:def:17982 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-2012-2745

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
2 OS Linux Linux Kernel 3.3 RC3 * * Version Details Vulnerabilities
3 OS Linux Linux Kernel 3.3 * * * Version Details Vulnerabilities
4 OS Linux Linux Kernel 3.3 RC7 * * Version Details Vulnerabilities
5 OS Linux Linux Kernel 3.3 RC2 * * Version Details Vulnerabilities
6 OS Linux Linux Kernel 3.3 RC6 * * Version Details Vulnerabilities
7 OS Linux Linux Kernel 3.3 RC1 * * Version Details Vulnerabilities
8 OS Linux Linux Kernel 3.3 RC5 * * Version Details Vulnerabilities
9 OS Linux Linux Kernel 3.3 RC4 * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 9

- References For CVE-2012-2745

http://www.ubuntu.com/usn/USN-1597-1
UBUNTU USN-1597-1
http://www.securityfocus.com/bid/54365
BID 54365 Linux Kernel Key Management CVE-2012-2745 Denial of Service Vulnerability Release Date:2014-02-27
http://secunia.com/advisories/50853
SECUNIA 50853
http://www.ubuntu.com/usn/USN-1606-1
UBUNTU USN-1606-1
http://www.ubuntu.com/usn/USN-1567-1
UBUNTU USN-1567-1
http://rhn.redhat.com/errata/RHSA-2012-1064.html
REDHAT RHSA-2012:1064
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=79549c6dfda0603dba9a70a53467ce62d9335c33 CONFIRM
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.2 CONFIRM
https://github.com/torvalds/linux/commit/79549c6dfda0603dba9a70a53467ce62d9335c33 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=833428 CONFIRM
http://www.securitytracker.com/id?1027236
SECTRACK 1027236
http://secunia.com/advisories/50961
SECUNIA 50961
http://secunia.com/advisories/50633
SECUNIA 50633

- Metasploit Modules Related To CVE-2012-2745

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


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