diff options
| author | Takashi Iwai <tiwai@suse.de> | 2019-05-29 14:52:19 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-21 09:07:06 +0200 |
| commit | 5d43b417e60ab25984fc7c41175f3ce8cee992bd (patch) | |
| tree | bfa535a8072f591ad5813f8fc059ba8f8e28cd91 /include/linux | |
| parent | 4546109c30a7a93b8c198e011e2e545c377e363b (diff) | |
mwifiex: Fix possible buffer overflows at parsing bss descriptor
[ Upstream commit 13ec7f10b87f5fc04c4ccbd491c94c7980236a74 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions