diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2013-10-29 23:01:11 +0300 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2013-11-28 14:02:06 +0000 |
| commit | 43455e8604586d80d43ebb23f9cbb31d6321ef7d (patch) | |
| tree | e30a9468bf9ed3616a7af9e364c07579a05bce2e | |
| parent | 840834b578803d8153b6fd8526d23e615916208b (diff) | |
Staging: bcm: info leak in ioctl
commit 8d1e72250c847fa96498ec029891de4dc638a5ba upstream.
The DevInfo.u32Reserved[] array isn't initialized so it leaks kernel
information to user space.
Reported-by: Nico Golde <nico@ngolde.de>
Reported-by: Fabian Yamaguchi <fabs@goesec.de>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
| -rw-r--r-- | drivers/staging/bcm/Bcmchar.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/staging/bcm/Bcmchar.c b/drivers/staging/bcm/Bcmchar.c index 2fa658eb74dc..391b768de78d 100644 --- a/drivers/staging/bcm/Bcmchar.c +++ b/drivers/staging/bcm/Bcmchar.c @@ -1932,6 +1932,7 @@ cntrlEnd: BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Called IOCTL_BCM_GET_DEVICE_DRIVER_INFO\n"); + memset(&DevInfo, 0, sizeof(DevInfo)); DevInfo.MaxRDMBufferSize = BUFFER_4K; DevInfo.u32DSDStartOffset = EEPROM_CALPARAM_START; DevInfo.u32RxAlignmentCorrection = 0; |