Dear iDefense Labs, --Wednesday, October 3, 2007, 6:32:03 PM, you wrote to vulnwatch@xxxxxxxxxxxxx: iL> The vulnerability exists in the kernel ioctl() handler for FIFOs. The iL> I_PEEK ioctl is used to peek at a number of bytes contained in the FIFO iL> without actually removing them from the queue. One of the arguments to iL> this command, which represents the number of bytes to peek, is a signed iL> integer value. Since this parameter is not properly validated, a iL> negative value can cause large amounts of kernel memory to be leaked. Can you please clarify this issue? According to subject it looks like information leak (information disclosure) issue, while according to description, it looks more like memory leak (Denial of Service) issue. -- ~/ZARAZA http://securityvulns.com/