CVE-2022-49772None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Drop snd_BUG_ON() from snd_usbmidi_output_open() snd_usbmidi_output_open() has a check of the NULL port with snd_BUG_ON(). snd_BUG_ON() was used as t…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
ALSA: usb-audio: Drop snd_BUG_ON() from snd_usbmidi_output_open()
snd_usbmidi_output_open() has a check of the NULL port with snd_BUG_ON(). snd_BUG_ON() was used as this shouldn't have happened, but in reality, the NULL port may be seen when the device gives an invalid endpoint setup at the descriptor, hence the driver skips the allocation. That is, the check itself is valid and snd_BUG_ON() should be dropped from there. Otherwise it's confusing as if it were a real bug, as recently syzbot stumbled on it.
Linux >= 738d9edcfd44f154924692e54109fb439fcf8bdd < c43991065f36f7628cd124e037b8750c4617a7a7Linux >= 738d9edcfd44f154924692e54109fb439fcf8bdd < e7dc436aea80308a9268e6d2d85f910ff107de9bLinux >= 738d9edcfd44f154924692e54109fb439fcf8bdd < a80369c8ca50bc885d14386087a834659ec54a54Linux >= 738d9edcfd44f154924692e54109fb439fcf8bdd < 02b94885b2fdf1808b1874e009bfb90753f8f4dbLinux >= 738d9edcfd44f154924692e54109fb439fcf8bdd < 00f5f1bbf815a39e9eecb468d12ca55d3360eb10Linux >= 738d9edcfd44f154924692e54109fb439fcf8bdd < ad72c3c3f6eb81d2cb189ec71e888316adada5dfLinux 4.15Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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