CVE-2026-43322 - Vulnerability Analysis
HighCVSS: 8.8Last Updated: May 11, 2026
Linux kernel Bluetooth - Use After Free
Published: May 8, 2026Updated: May 11, 2026
Overview
Linux kernel contains a use-after-free vulnerability in Bluetooth hci_sync component caused by hci_conn being freed prematurely before le_read_features_complete, letting attackers cause kernel memory corruption, exploit requires local code execution or kernel interaction.
Severity & Score
Severity: High
CVSS Score: 8.8
Impact
Attackers can cause kernel memory corruption leading to system instability or potential privilege escalation.
Mitigation
Update to the latest Linux kernel version containing the fix for hci_sync use-after-free.
References
Related Resources
Details
- CVE ID
- CVE-2026-43322
- Severity
- High
- CVSS Score
- 8.8
- Type
- use_after_free
- Status
- new
CVSS Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H