diff options
| author | Johan Hovold <[email protected]> | 2021-09-17 13:46:17 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2021-09-27 17:38:49 +0200 |
| commit | a89936cce87d60766a75732a9e7e25c51164f47c (patch) | |
| tree | 5137e9483176be894cf20f1e632bce278245cad9 /lib/mpi | |
| parent | 913581b8ae0646ebe2f23c57dab3c3ce69e980c3 (diff) | |
ipack: ipoctal: fix stack information leak
The tty driver name is used also after registering the driver and must
specifically not be allocated on the stack to avoid leaking information
to user space (or triggering an oops).
Drivers should not try to encode topology information in the tty device
name but this one snuck in through staging without anyone noticing and
another driver has since copied this malpractice.
Fixing the ABI is a separate issue, but this at least plugs the security
hole.
Fixes: ba4dc61fe8c5 ("Staging: ipack: add support for IP-OCTAL mezzanine board")
Cc: [email protected] # 3.5
Acked-by: Samuel Iglesias Gonsalvez <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'lib/mpi')
0 files changed, 0 insertions, 0 deletions