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Vulnerability Details : CVE-2011-4112

The net subsystem in the Linux kernel before 3.1 does not properly restrict use of the IFF_TX_SKB_SHARING flag, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability to access /proc/net/pktgen/pgctrl, and then using the pktgen package in conjunction with a bridge device for a VLAN interface.
Publish Date : 2012-05-17 Last Update Date : 2020-07-29
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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 CWE id is not defined for this vulnerability

- Products Affected By CVE-2011-4112

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

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2011-4112

http://downloads.avaya.com/css/P8/documents/100156038 CONFIRM
https://github.com/torvalds/linux/commit/550fd08c2cebad61c548def135f67aba284c6162 CONFIRM
http://www.openwall.com/lists/oss-security/2011/11/21/4
MLIST [oss-security] 20111121 CVE-2011-4112 kernel: null ptr deref at dev_queue_xmit+0x35/0x4d0
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=550fd08c2cebad61c548def135f67aba284c6162 CONFIRM
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=751006 CONFIRM

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0

- Metasploit Modules Related To CVE-2011-4112

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


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