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authorDan Carpenter <dan.carpenter@oracle.com>2013-10-29 23:01:11 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2013-10-30 12:24:49 -0700
commit8d1e72250c847fa96498ec029891de4dc638a5ba (patch)
treebc410604845a943c3130fbdada6d20c9483efcc2
parentb5e2f339865fb443107e5b10603e53bbc92dc054 (diff)
downloadlinux-linaro-stable-8d1e72250c847fa96498ec029891de4dc638a5ba.tar.gz
Staging: bcm: info leak in ioctl
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>
-rw-r--r--drivers/staging/bcm/Bcmchar.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/staging/bcm/Bcmchar.c b/drivers/staging/bcm/Bcmchar.c
index f91bc1fdd895..639ba96adb36 100644
--- a/drivers/staging/bcm/Bcmchar.c
+++ b/drivers/staging/bcm/Bcmchar.c
@@ -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;