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CVE-2026-90033

ALSA: usb-audio: fix OOB write in snd_usbmidi_us122l_output()

In the Linux kernel, the following vulnerability has been resolved:

ALSA: usb-audio: fix OOB write in snd_usbmidi_us122l_output()

The snd_usbmidi_us122l_output() picks a count of 2 on anything slower
than high speed and never relates it to ep->max_transfer.  The URB
buffer holds exactly max_transfer bytes, so a device declaring a one
byte bulk endpoint takes two bytes from snd_rawmidi_transmit(), and the
memset that pads the rest computes 1 - 2 in int and wraps to SIZE_MAX.

Only 0x800e and 0x800f are pinned to nine bytes.  The US-122MKII at
0x0644:0x8021 falls to the default and takes usb_maxpacket(), which the
USB core only clamps downward.

The akai and novation output ops in this file were given the same guard
recently.  Do the same here.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 030a07e441296c372f946cd4065b5d831d8dc40c
Version < 5538daf2a5cc80ac3f3e913c0db045d92d995d40
Status affected
Version 030a07e441296c372f946cd4065b5d831d8dc40c
Version < a441a8e52148c91c2f2a91f42e3b9bc961a13a4b
Status affected
Version 030a07e441296c372f946cd4065b5d831d8dc40c
Version < 2dae0e3a59e31f78222279d544b98e747cd1fbff
Status affected
Version 030a07e441296c372f946cd4065b5d831d8dc40c
Version < 1d4add2b832b56f81bb0eab065ec35c610343018
Status affected
Version 030a07e441296c372f946cd4065b5d831d8dc40c
Version < de6d252f115be887a701c09a05cdb076f3a590c9
Status affected
Version 030a07e441296c372f946cd4065b5d831d8dc40c
Version < 9392a2c346762ffee8edd1ba8bac50d2e24a2ed7
Status affected
Version 030a07e441296c372f946cd4065b5d831d8dc40c
Version < 9d81885d97cba7796d1f8edc88f2499c8296f5b9
Status affected
Version 030a07e441296c372f946cd4065b5d831d8dc40c
Version < e4637ce34607f1733a34a57294966d26b263e626
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 2.6.28
Status affected
Version 0
Version < 2.6.28
Status unaffected
Version <= 5.10.*
Version 5.10.270
Status unaffected
Version <= 5.15.*
Version 5.15.221
Status unaffected
Version <= 6.1.*
Version 6.1.188
Status unaffected
Version <= 6.6.*
Version 6.6.157
Status unaffected
Version <= 6.12.*
Version 6.12.110
Status unaffected
Version <= 6.18.*
Version 6.18.51
Status unaffected
Version <= 7.2.*
Version 7.2.5
Status unaffected
Version <= *
Version 7.3-rc2
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.2% 0.096
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/5538daf2a5cc80ac3f3e913c0db045d92d995d40
https://git.kernel.org/stable/c/a441a8e52148c91c2f2a91f42e3b9bc961a13a4b
https://git.kernel.org/stable/c/2dae0e3a59e31f78222279d544b98e747cd1fbff
https://git.kernel.org/stable/c/1d4add2b832b56f81bb0eab065ec35c610343018
https://git.kernel.org/stable/c/de6d252f115be887a701c09a05cdb076f3a590c9
https://git.kernel.org/stable/c/9392a2c346762ffee8edd1ba8bac50d2e24a2ed7
https://git.kernel.org/stable/c/9d81885d97cba7796d1f8edc88f2499c8296f5b9
https://git.kernel.org/stable/c/e4637ce34607f1733a34a57294966d26b263e626