projects / platform / kernel / linux-rpi.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: d46ef75) | patch
HID: u2fzero: ignore incomplete packets without data
authorAndrej Shadura <andrew.shadura@collabora.co.uk>
Thu, 16 Sep 2021 16:33:11 +0000 (17:33 +0100)
committerJiri Kosina <jkosina@suse.cz>
Wed, 22 Sep 2021 07:31:18 +0000 (09:31 +0200)
commit22d65765f211cc83186fd8b87521159f354c0da9
treedf85d4917d37ad3b890e9411d94a1b076b34db86tree | snapshot
parentd46ef750ed58cbeeba2d9a55c99231c30a172764commit | 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>
drivers/hid/hid-u2fzero.c diff | blob | history
Domain: System / Kernel;