CVE-2026-89583High· 7.0▾ TwilightA flaw was found in the Linux kernel's Bluetooth subsystem. An out-of-bounds (OOB) read vulnerability exists in the `eir_get_service_data()` function due to incorrect length calculation when parsing Extended Inquiry Response (EIR) advertis…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 38.5 · likelihood 0.1 · 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%
— → 6.8
none → medium
— → 8.1
none → high
Last analysed / modified upstream
8.1 → 6.8
high → medium
6.8 → 8.1
medium → high
0.2% → 0.3%
8.1 → 7
A flaw was found in the Linux kernel's Bluetooth subsystem. An out-of-bounds (OOB) read vulnerability exists in the eir_get_service_data() function due to incorrect length calculation when parsing Extended Inquiry Response (EIR) advertising data. A remote attacker, by sending a specially crafted periodic advertising payload, could exploit this to read sensitive information from kernel memory. This could lead to the disclosure of internal kernel data to a local user.
kernel: Bluetooth: eir: Fix OOB read in eir_get_service_data() — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-09-14.
Affected:
No fix planned:
Not affected:
Affected
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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