CVE-2026-80970Low· 3.3▾ SunlitA flaw was found in the Linux kernel's Advanced Linux Sound Architecture (ALSA) FireWire Control Protocol (FCP) subsystem. This vulnerability allows a local attacker to trigger the copying of uninitialized kernel memory to userspace. By se…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 18.2 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
— → 4.5
none → medium
— → 4.5
none → medium
— → 7
none → high
0.2% → 0.2%
Last analysed / modified upstream
7 → 3.3
high → low
A flaw was found in the Linux kernel's Advanced Linux Sound Architecture (ALSA) FireWire Control Protocol (FCP) subsystem. This vulnerability allows a local attacker to trigger the copying of uninitialized kernel memory to userspace. By sending a specially crafted short or zero-length data stage during the FCP initialization, an attacker could potentially read sensitive information from the kernel's memory.
kernel: ALSA: FCP: do not copy out an uninitialised init response — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-10-25.
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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