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| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2023-04-11 19:45:32 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-04-20 15:11:33 +0300 |
| commit | 2b3174c96696cde676393474f0e01d0d108462f5 (patch) | |
| tree | a81a0ae7a4f0ff1c08bff6d31c0d621653f6e39a /drivers/char | |
| parent | f91cf1a30255d81cf1d8992974ec0a9c0fd4a771 (diff) | |
| download | linux-2b3174c96696cde676393474f0e01d0d108462f5.tar.xz | |
n_gsm: Use array_index_nospec() with index that comes from userspace
dc.channel used for indexing comes directly from copy_from_user(). Use
array_index_nospec() to mitigate speculative side-channel.
Link: https://lore.kernel.org/linux-serial/64306d13.ONswMlyWlVKLGkKR%25lkp@intel.com/
Cc: stable <stable@kernel.org>
Fixes: afe3154ba87e ("tty: n_gsm: add ioctl for DLC config via ldisc handle")
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Daniel Starke <daniel.starke@siemens.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230411164532.64175-1-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/char')
0 files changed, 0 insertions, 0 deletions