Vulnerability CVE-2013-4516
Published: 2013-11-12

Description:
The mp_get_count function in drivers/staging/sb105x/sb_pci_mp.c in the Linux kernel before 3.12 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

See advisories in our WLB2 database:
Topic
Author
Date
High
Linux Kernel Multiple Security fixes
Nico
04.11.2013

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 -> Linux kernel 

 References:
https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.12.bz2
https://github.com/torvalds/linux/commit/a8b33654b1e3b0c74d4a1fed041c9aae50b3c427
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a8b33654b1e3b0c74d4a1fed041c9aae50b3c427
http://www.ubuntu.com/usn/USN-2075-1
http://www.ubuntu.com/usn/USN-2073-1
http://www.ubuntu.com/usn/USN-2070-1
http://www.ubuntu.com/usn/USN-2069-1
http://www.openwall.com/lists/oss-security/2013/11/04/22
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