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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel Integer Overflow in sctp_getsockopt_local_addrs_old() Lets Local Users Deny Service
SecurityTracker Alert ID:  1020514
SecurityTracker URL:  http://securitytracker.com/id/1020514
CVE Reference:   CVE-2008-2826   (Links to External Site)
Date:  Jul 17 2008
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.6.25.9
Description:   A vulnerability was reported in the Linux Kernel in the Stream Control Transmission Protocol code. A local user can cause denial of service conditions.

A local user can supply specially crafted addr_num data in an sctp_getaddrs_old data structure to trigger an integer overflow in the sctp_getsockopt_local_addrs_old() function and consume excessive resources on the target system.

The vulnerability resides in 'net/sctp/socket.c'.

Impact:   A local user can cause excessive resource consumption on the target system.
Solution:   The vendor has issued a fix (2.6.25.9).

The vendor's advisory is available at:

http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.9

Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   Boundary error

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 4 2008 (Red Hat Issues Fix) Linux Kernel Integer Overflow in sctp_getsockopt_local_addrs_old() Lets Local Users Deny Service
Red Hat has released a fix for Red Hat Enterprise Linux 5.
Aug 27 2008 (Red Hat Issues Fix) Linux Kernel Integer Overflow in sctp_getsockopt_local_addrs_old() Lets Local Users Deny Service
Red Hat has released a fix for Red Hat Enterprise Linux 5.



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