CVE-2026-98836Medium· 6.2▾ SunlitA flaw was found in the Linux kernel's ALSA (Advanced Linux Sound Architecture) Line 6 USB audio driver. The driver fails to validate the size of playback packets against the allocated memory buffer slice when handling asymmetrical audio c…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 34.1 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
Last analysed / modified upstream
— → 6.2
none → medium
A flaw was found in the Linux kernel's ALSA (Advanced Linux Sound Architecture) Line 6 USB audio driver. The driver fails to validate the size of playback packets against the allocated memory buffer slice when handling asymmetrical audio configurations. An attacker capable of connecting a crafted USB device could exploit this vulnerability to cause an out-of-bounds memory write. This issue can lead to kernel memory corruption or a system crash, resulting in a Denial of Service (DoS).
kernel: ALSA: line6: reject oversized playback packets — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-23.
Affected:
No fix planned:
Not affected:
Fix deferred
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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