What is CVE-2026-97509?

CVE-2026-97509 is a high-severity vulnerability in Linux. CVSS score: 8.8/10. Published 2026-09-24.

How severe is CVE-2026-97509?

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

Vulnerability in Linux

CVE-2026-97509

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Keep XDomain reference during the lifetime of a service This is needed because we release the service ID in tb_service_release() and the ID array is owned by the parent XDomain.

Published 2026-09-24 · last modified 2026-09-25.

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.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Linux

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2026-97509?: CVE-2026-97509 is a high-severity vulnerability in Linux. CVSS score: 8.8/10. Published 2026-09-24.
How severe is CVE-2026-97509?: High severity. CVSS v3 base score is 8.8 out of 10.