Linux Kernel 'raw _ Kernel _copyout () 'Function Local Privilege Escalation Vulnerability

Source: Internet
Author: User

Release date:
Updated on:

Affected Systems:
Linux kernel <= 3.14.3
Description:
--------------------------------------------------------------------------------
Bugtraq id: 67302
CVE (CAN) ID: CVE-2014-1738
 
Linux Kernel is the Kernel of the Linux operating system.
 
Drivers/block/floppy versions earlier than Linux kernel 3.14.3. in c, the raw_cmd_copyout function does not properly access certain pointers when processing FDRAWCMD ioctl calls. This allows local users to obtain Kernel Heap Memory information by writing/dev/fd devices.
 
<* Source: Matthew Daley
*>

Suggestion:
--------------------------------------------------------------------------------
Vendor patch:
 
Linux
-----
The vendor has released a patch to fix this security problem. Please download it from the vendor's homepage:
 
Http://git.kernel.org /? P = linux/kernel/git/torvalds/linux-2.6.git; a = commit; h = 2145e15e0557a01b9195d1c7199a1b92cb9be81f
Https://bugzilla.redhat.com/show_bug.cgi? Id = 1094299

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