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Message-ID: <AANLkTint0ZwP96gquAc-ozmXyARBHEW9_RiFkWDo90s+@mail.gmail.com>
Date: Wed, 3 Nov 2010 18:19:56 -0400
From: Dan Rosenberg <dan.j.rosenberg@...il.com>
To: oss-security@...ts.openwall.com
Subject: CVE request: kernel: CAN information leak
The CAN protocol uses the address of a kernel heap object as a proc
filename, revealing information that could be useful during
exploitation.
The below post also mentions a heap overflow. While there is a
semantic overflow (17 bytes being copied into a 9-byte buffer), in
reality, the object whose member is being overflowed resides in a
kernel heap slab cache that includes enough padding that there is no
possible corruption. So, it's a bug but not a vulnerability.
Reference:
http://marc.info/?l=linux-netdev&m=128872251418192&w=2
-Dan
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