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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2016-01-17 12:25:01 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-03-03 15:07:13 -0800 |
| commit | a007fc3d6569b620ec5bca1b4636d952ebdd2627 (patch) | |
| tree | 4c610c2dda99c6ad370e40f66fcc2b2d230ef89f /fs/namei.c | |
| parent | 6472e6b6afc6e3fb7ec4d2890b4eed0d25f71ae9 (diff) | |
mei: validate request value in client notify request ioctl
commit 7326fffb712f09a315bc73cc1ee63843f59b8bd4 upstream.
This patch address a possible security issue:
The request field in client notify request ioctl comes from user space
as u32 and is downcasted to u8 with out validation.
Check request field to have approved values
MEI_HBM_NOTIFICATION_STAR/STOP
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/namei.c')
0 files changed, 0 insertions, 0 deletions