diff options
| author | Joshua Rogers <linux@joshua.hu> | 2025-11-07 00:09:37 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-11-13 15:34:40 -0500 |
| commit | 3d82cb8465718d0b3df4ad93fd01db34b48ffb3a (patch) | |
| tree | 71c0bd2ebd37588906d376fa1fced927698cb1a5 /include/net/aligned_data.h | |
| parent | a557649f0038e2aa39758053b5bb7322e42d872a (diff) | |
smb: client: validate change notify buffer before copy
commit 4012abe8a78fbb8869634130024266eaef7081fe upstream.
SMB2_change_notify called smb2_validate_iov() but ignored the return
code, then kmemdup()ed using server provided OutputBufferOffset/Length.
Check the return of smb2_validate_iov() and bail out on error.
Discovered with help from the ZeroPath security tooling.
Signed-off-by: Joshua Rogers <linux@joshua.hu>
Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.org>
Cc: stable@vger.kernel.org
Fixes: e3e9463414f61 ("smb3: improve SMB3 change notification support")
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/net/aligned_data.h')
0 files changed, 0 insertions, 0 deletions