[APPLIED Maverick] [PATCH 0/1] [Maverick, Lucid SRU] LP#568844 -- allow reading of /proc/mmap_min_addr
leann.ogasawara at canonical.com
Tue May 4 19:07:54 BST 2010
On Tue, 2010-05-04 at 17:45 +0100, Andy Whitcroft wrote:
> A number of applications need to be able read mmap_min_addr in order to
> determine where they should map segments. The permissions on the proc file
> imply that read should be possible but read is prevented by capabilities.
> As it is possible for an attacker to determine the current setting by
> repeated attempts to map low pages pages there is no point protecting this
> The following patch has been submitted upstream and in the security-testing
> tree. Proposing this for Maverick and SRU to Lucid.
Applied to Maverick.
Ack'ing for Lucid:
Acked-by: Leann Ogasawara <leann.ogasawara at canonical.com>
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