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Staging: bcm: info leak in ioctl

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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>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dan Carpenter 2013-10-29 23:01:11 +03:00 committed by Linus Torvalds
parent b5e2f33986
commit 8d1e72250c
1 changed files with 1 additions and 0 deletions
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drivers/staging/bcm/Bcmchar.c
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@ -1960,6 +1960,7 @@ 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;