CVE-2026-98769High· 8.4▾ TwilightA flaw was found in the Linux kernel's Universal Serial Bus (USB) audio gadget driver. A connected USB host can send a specially crafted audio control request with an invalid command index, causing an out-of-bounds heap memory read and wri…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 46.2 · 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
— → 8.4
none → high
A flaw was found in the Linux kernel's Universal Serial Bus (USB) audio gadget driver. A connected USB host can send a specially crafted audio control request with an invalid command index, causing an out-of-bounds heap memory read and write. This flaw primarily allows an attacker to cause a Denial of Service (DoS) via a system crash, or potentially lead to kernel memory corruption.
kernel: usb: gadget: f_uac1_legacy: validate bRequest index in generic_{set,get}_cmd — rated Important by Red Hat. Released 2026-10-18, updated 2026-10-23.
Not affected:
Refer to the advisory for fix availability.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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