diff options
| author | Namjae Jeon <linkinjeon@kernel.org> | 2023-06-15 22:04:40 +0900 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2023-06-16 21:04:36 -0500 |
| commit | 5fe7f7b78290638806211046a99f031ff26164e1 (patch) | |
| tree | 47dc31e0037b34c27a703f4ab185475cf123006d /fs/smb/server/server.c | |
| parent | 40b268d384a22276dca1450549f53eed60e21deb (diff) | |
ksmbd: fix out-of-bound read in smb2_write
ksmbd_smb2_check_message doesn't validate hdr->NextCommand. If
->NextCommand is bigger than Offset + Length of smb2 write, It will
allow oversized smb2 write length. It will cause OOB read in smb2_write.
Cc: stable@vger.kernel.org
Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-21164
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/smb/server/server.c')
0 files changed, 0 insertions, 0 deletions