CVE-2026-80816Medium· 4.6▾ SunlitA flaw was found in the Linux kernel's Advanced Linux Sound Architecture (ALSA) FireWire Control Protocol (FCP) driver. Incorrect handling of the Universal Serial Bus Request Block (URB) for the notification endpoint could lead to a system…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 25.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 19.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
Last analysed / modified upstream
— → 4.6
none → medium
A flaw was found in the Linux kernel's Advanced Linux Sound Architecture (ALSA) FireWire Control Protocol (FCP) driver. Incorrect handling of the Universal Serial Bus Request Block (URB) for the notification endpoint could lead to a system crash. This occurs because the fcp_init_notify() function uses a shared URB, which can result in a zeroed wait head and subsequent system instability, potentially causing a denial of service (DoS).
kernel: ALSA: FCP: Use a private URB for the notification endpoint — rated Moderate by Red Hat. Released 2026-09-04, updated 2026-10-24.
Affected:
No fix planned:
Not affected:
Fix deferred
Workarounds / mitigations:
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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