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| author | Andrej Shadura <andrew.shadura@collabora.co.uk> | 2021-09-16 17:33:11 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2021-09-22 09:31:18 +0200 |
| commit | 22d65765f211cc83186fd8b87521159f354c0da9 (patch) | |
| tree | df85d4917d37ad3b890e9411d94a1b076b34db86 /drivers/hid/amd-sfh-hid | |
| parent | d46ef750ed58cbeeba2d9a55c99231c30a172764 (diff) | |
HID: u2fzero: ignore incomplete packets without data
Since the actual_length calculation is performed unsigned, packets
shorter than 7 bytes (e.g. packets without data or otherwise truncated)
or non-received packets ("zero" bytes) can cause buffer overflow.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=214437
Fixes: 42337b9d4d958("HID: add driver for U2F Zero built-in LED and RNG")
Signed-off-by: Andrej Shadura <andrew.shadura@collabora.co.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/amd-sfh-hid')
0 files changed, 0 insertions, 0 deletions