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Date: Mon, 21 Mar 2011 12:59:53 +0800
From: Eugene Teo <>
CC: Dan Rosenberg <>,
        "Steven M. Christey" <>
Subject: Re: CVE request: kernel: heap corruption in IrDA

On 03/21/2011 03:26 AM, Dan Rosenberg wrote:
> When providing an invalid IrDA nickname for an IrNET peer, a local
> attacker can cause a kernel panic due to an underflow in a memcpy()
> size calculation or cause a controllable heap overflow that may lead
> to privilege escalation.  Write access to the /dev/irnet device file
> is required to trigger the vulnerability.
> Reference:

The default permissions for /dev/irnet is root-read/write only. In the 
past I have ignored such issues that can only be triggered by root, even 
though the permissions can be changed. I wouldn't assign a CVE name for 
this. CC'ed Steve.

Thanks, Eugene
main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i); }

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