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| author | Takashi Iwai | 2019-05-29 14:52:19 +0200 |
|---|---|---|
| committer | Kalle Valo | 2019-05-30 13:22:10 +0200 |
| commit | 13ec7f10b87f5fc04c4ccbd491c94c7980236a74 (patch) | |
| tree | 051fc20093146cd57bbaa8d8e224f08111443a8e /drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | |
| parent | rtw88: Make some symbols static (diff) | |
| download | kernel-qcow2-linux-13ec7f10b87f5fc04c4ccbd491c94c7980236a74.tar.gz kernel-qcow2-linux-13ec7f10b87f5fc04c4ccbd491c94c7980236a74.tar.xz kernel-qcow2-linux-13ec7f10b87f5fc04c4ccbd491c94c7980236a74.zip | |
mwifiex: Fix possible buffer overflows at parsing bss descriptor
mwifiex_update_bss_desc_with_ie() calls memcpy() unconditionally in
a couple places without checking the destination size. Since the
source is given from user-space, this may trigger a heap buffer
overflow.
Fix it by putting the length check before performing memcpy().
This fix addresses CVE-2019-3846.
Reported-by: huangwen <huangwen@venustech.com.cn>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c')
0 files changed, 0 insertions, 0 deletions