| commit | 5fe7f7b78290638806211046a99f031ff26164e1 | [log] [tgz] |
|---|---|---|
| author | Namjae Jeon <linkinjeon@kernel.org> | Thu Jun 15 22:04:40 2023 +0900 |
| committer | Steve French <stfrench@microsoft.com> | Fri Jun 16 21:04:36 2023 -0500 |
| tree | 47dc31e0037b34c27a703f4ab185475cf123006d | |
| 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>