What is CVE-2026-64080?

CVE-2026-64080 is a critical-severity vulnerability in Linux. CVSS score: 9.3/10. Published 2026-07-19.

How severe is CVE-2026-64080?

Critical severity. CVSS v3 base score is 9.3 out of 10.

Vulnerability in Linux

CVE-2026-64080

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Snapshot notifier callbacks under lock Both notification handlers currently look up a notifier callback under notify_lock, drop the lock, and then der…

EPSS: 0.002 (7.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Linux — versions 285a5ea0f542db94c3ed11e01a71abb47d15cbf5, 6.15, 0

References

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

Frequently asked questions

What is CVE-2026-64080?: CVE-2026-64080 is a critical-severity vulnerability in Linux. CVSS score: 9.3/10. Published 2026-07-19.
How severe is CVE-2026-64080?: Critical severity. CVSS v3 base score is 9.3 out of 10.