What is CVE-2026-43322?

CVE-2026-43322 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 8.8/10. Published 2026-05-08.

How severe is CVE-2026-43322?

High severity. CVSS v3 base score is 8.8 out of 10.

Use After Free in Linux

CVE-2026-43322

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Fix UAF in le_read_features_complete This fixes the following backtrace caused by hci_conn being freed before le_read_features_complete but after hc…

Vulnerability class: Use-After-Free

EPSS: 0.000 (6.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions a106e50be74b0896583f4d010a69f9806e4194f4, 6.19, 0
Linux Linux_kernel — versions 7.0

Weakness classification (CWE)

CWE-416 — Use After Free

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-43322?: CVE-2026-43322 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 8.8/10. Published 2026-05-08.
How severe is CVE-2026-43322?: High severity. CVSS v3 base score is 8.8 out of 10.