Commit ecfd4116 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: usb-audio: Validate UAC3 cluster segment descriptors



UAC3 class segment descriptors need to be verified whether their sizes
match with the declared lengths and whether they fit with the
allocated buffer sizes, too.  Otherwise malicious firmware may lead to
the unexpected OOB accesses.

Fixes: 11785ef5 ("ALSA: usb-audio: Initial Power Domain support")
Reported-and-tested-by: default avatarYoungjun Lee <yjjuny.lee@samsung.com>
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20250814081245.8902-2-tiwai@suse.de


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent d832ccbc
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