| commit | 20c40794eb85ea29852d7bc37c55713802a543d6 | [log] [tgz] |
|---|---|---|
| author | Dmitry Baryshkov <[email protected]> | Fri Feb 12 22:26:58 2021 +0300 |
| committer | Greg Kroah-Hartman <[email protected]> | Wed Mar 10 17:01:29 2021 +0100 |
| tree | 429f27645a223f926cbcf55b40e167c56bf65edc | |
| parent | 1201d68f4781141411e734315f22457e6ea2cfcb [diff] |
misc: fastrpc: restrict user apps from sending kernel RPC messages
Verify that user applications are not using the kernel RPC message
handle to restrict them from directly attaching to guest OS on the
remote subsystem. This is a port of CVE-2019-2308 fix.
Fixes: c68cfb718c8f ("misc: fastrpc: Add support for context Invoke method")
Cc: Srinivas Kandagatla <[email protected]>
Cc: Jonathan Marek <[email protected]>
Cc: [email protected]
Signed-off-by: Dmitry Baryshkov <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>