[security-alerts] FW: [SA18766] Linux Kernel ICMP Error Handling Denial of Service

["Kazennov, Vladimir" <Vladimir.Kazennov@xxxxxxxxxx>]

> 
> 
> TITLE:
> Linux Kernel ICMP Error Handling Denial of Service
> 
> SECUNIA ADVISORY ID:
> SA18766
> 
> VERIFY ADVISORY:
> http://secunia.com/advisories/18766/
> 
> CRITICAL:
> Moderately critical
> 
> IMPACT:
> DoS
> 
> WHERE:
> From remote
> 
> OPERATING SYSTEM:
> Linux Kernel 2.6.x
> http://secunia.com/product/2719/
> 
> DESCRIPTION:
> A vulnerability has been reported in the Linux Kernel, which can be
> exploited by malicious people to cause a DoS (Denial of Service).
> 
> The vulnerability is caused due an error in the handling of an error
> condition when constructing an ICMP response in the
> "ip_options_echo()" function of icmp.c. This can be exploited to
> cause a DoS via specially crafted ICMP packets containing
> record-route or timestamp IP options.
> 
> SOLUTION:
> Update to version 2.6.15.3.
> http://www.kernel.org/
> 
> PROVIDED AND/OR DISCOVERED BY:
> Reported by vendor.
> 
> ORIGINAL ADVISORY:
> Kernel.org:
> http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.15.3
> 
> ----------------------------------------------------------------------