What is CVE-2026-64106?

CVE-2026-64106 is a critical-severity vulnerability in Linux. CVSS score: 9.0/10. Published 2026-07-19.

How severe is CVE-2026-64106?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Vulnerability in Linux

CVE-2026-64106

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Reject restored DTE with out-of-range num_eventid_bits Userspace can restore an ITS Device Table Entry whose Size field encodes more EventID bits t…

EPSS: 0.002 (7.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H.

Affected products

Linux — versions 57a9a117154c93539e33161dd318e6aeb8c04efa, 4.12, 0

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

Frequently asked questions

What is CVE-2026-64106?: CVE-2026-64106 is a critical-severity vulnerability in Linux. CVSS score: 9.0/10. Published 2026-07-19.
How severe is CVE-2026-64106?: Critical severity. CVSS v3 base score is 9.0 out of 10.