Vulnerability CVE-2009-3001
Published: 2009-08-28   Modified: 2012-02-13

Description:
The llc_ui_getname function in net/llc/af_llc.c in the Linux kernel 2.6.31-rc7 and earlier does not initialize a certain data structure, which allows local users to read the contents of some kernel memory locations by calling getsockname on an AF_LLC socket.

See advisories in our WLB2 database:
Topic
Author
Date
Low
Linux Kernel <= 2.6.31-rc7 AF_LLC getsockname 5-Byte Stack Disclosure
Jon Oberheide
31.08.2009

Type:

CWE-200

 (Information Exposure)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
None
None
Affected software
Linux -> Kernel 
Linux -> Linux kernel 
Canonical -> Ubuntu linux 

 References:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=28e9fc592cb8c7a43e4d3147b38be6032a0e81bc
http://jon.oberheide.org/files/llc-getsockname-leak.c
http://www.exploit-db.com/exploits/9513
http://www.openwall.com/lists/oss-security/2009/08/26/1
http://www.securityfocus.com/bid/36126
http://www.ubuntu.com/usn/USN-852-1
https://bugzilla.redhat.com/show_bug.cgi?id=519305
https://exchange.xforce.ibmcloud.com/vulnerabilities/52732
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