CVE-2026-98456Medium· 4.1▾ SunlitA flaw was found in the Linux kernel's Bluetooth subsystem. A race condition in the read_unconf_index_list() function allows a local user to cause an out-of-bounds write during asynchronous controller setup. This issue occurs when device s…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 22.5 · 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
— → 7
none → high
7 → 4.1
high → medium
A flaw was found in the Linux kernel's Bluetooth subsystem. A race condition in the read_unconf_index_list() function allows a local user to cause an out-of-bounds write during asynchronous controller setup. This issue occurs when device state flags change between response buffer sizing and data population. A local attacker can exploit this vulnerability to cause memory corruption, resulting in a system crash and Denial of Service (DoS).
kernel: Bluetooth: mgmt: fix race in read_unconf_index_list() — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-24.
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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