What is CVE-2026-46317?

CVE-2026-46317 is a high-severity vulnerability in Linux. CVSS score: 8.8/10. Published 2026-06-09.

How severe is CVE-2026-46317?

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

Vulnerability in Linux

CVE-2026-46317

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nested_mmus array behind mmu_lock kvm->arch.nested_mmus[] is walked under kvm->mmu_lock, including from the MMU notifier path (kvm_unmap_gfn_range()…

EPSS: 0.001 (3.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Linux — versions 4f128f8e1aaac189f83d0f828bcdb2986d8d2e51, 6.11, 0
Linux Linux_kernel — versions 7.1

References

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

Frequently asked questions

What is CVE-2026-46317?: CVE-2026-46317 is a high-severity vulnerability in Linux. CVSS score: 8.8/10. Published 2026-06-09.
How severe is CVE-2026-46317?: High severity. CVSS v3 base score is 8.8 out of 10.