CVE-2026-31771 - Vulnerability Analysis
HighCVSS: 8.1Last Updated: May 3, 2026
Linux Kernel Bluetooth - Buffer Overflow
Published: May 1, 2026Updated: May 3, 2026
Overview
Linux kernel Bluetooth hci_event contains a buffer overflow risk caused by improper bounds checking in hci_store_wake_reason before event length validation, letting attackers cause memory corruption, exploit requires crafted short HCI event frames.
Severity & Score
Severity: High
CVSS Score: 8.1
Impact
Attackers can cause memory corruption leading to potential denial of service or code execution.
Mitigation
Update to the latest Linux kernel version containing the fix.
References
Related Resources
Details
- CVE ID
- CVE-2026-31771
- Severity
- High
- CVSS Score
- 8.1
- Type
- buffer_overflow
- Status
- unconfirmed
CVSS Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H