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Old 07-26-2011, 08:30 PM
Tim Gardner
Default APPLIED: bridge: netfilter: fix information leak

On 07/26/2011 12:51 PM, Andy Whitcroft wrote:

Struct tmp is copied from userspace. It is not checked whether
the "name" field is NULL terminated. This may lead to buffer
overflow and passing contents of kernel stack as a module name
to try_then_request_module() and, consequently, to modprobe
commandline. It would be seen by all userspace processes.

The fix for this CVE has hit lucid and later via mainline and stable.
Following this email are two patches one for hardy and lucid/fsl-imx51,
and one for maverick/ti-omap4. The former is a minor backport due to a
large change in line numbers, the latter a simple cherrypick.

Proposing for hardy, lucid/fsl-imx51, and maverick/ti-omap4.


Tim Gardner tim.gardner@canonical.com

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