---
id: CVE-2026-43351
title: 'KVM: arm64: Eagerly init vgic dist/redist on vgic creation'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  KVM: arm64: Eagerly init vgic dist/redist on vgic creation

  If vgic_allocate_private_irqs_locked() fails for any odd reason,
  we exit kvm_vgic_create() early, leaving di…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= b3aa9283c0c505b5cfd25f7d6cfd720de2adc807 <
    b7493f48c3dba75674a4ee505b4afa8fe5102457
  - >-
    Linux >= b3aa9283c0c505b5cfd25f7d6cfd720de2adc807 <
    a24f1d80fbcdbf8b2a7044a00fa12b3972b4c31c
  - >-
    Linux >= b3aa9283c0c505b5cfd25f7d6cfd720de2adc807 <
    ac6769c8f948dff33265c50e524aebf9aa6f1be0
  - Linux 6.14
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-06T15:36:17.157861Z'
published: '2026-05-08'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T15:42:50.111Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-43351'
references:
  - url: 'https://git.kernel.org/stable/c/b7493f48c3dba75674a4ee505b4afa8fe5102457'
  - url: 'https://git.kernel.org/stable/c/a24f1d80fbcdbf8b2a7044a00fa12b3972b4c31c'
  - url: 'https://git.kernel.org/stable/c/ac6769c8f948dff33265c50e524aebf9aa6f1be0'
tags:
  - cve.org
epss: 0.00121
epssPercentile: 0.01905
ingestedAt: '2026-11-06T15:54:03.932Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

KVM: arm64: Eagerly init vgic dist/redist on vgic creation

If vgic_allocate_private_irqs_locked() fails for any odd reason,
we exit kvm_vgic_create() early, leaving dist->rd_regions uninitialised.

kvm_vgic_dist_destroy() then comes along and walks into the weeds
trying to free the RDs. Got to love this stuff.

Solve it by moving all the static initialisation early, and make
sure that if we fail halfway, we're in a reasonable shape to
perform the rest of the teardown. While at it, reset the vgic model
on failure, just in case...

## Affected

- `Linux >= b3aa9283c0c505b5cfd25f7d6cfd720de2adc807 < b7493f48c3dba75674a4ee505b4afa8fe5102457`
- `Linux >= b3aa9283c0c505b5cfd25f7d6cfd720de2adc807 < a24f1d80fbcdbf8b2a7044a00fa12b3972b4c31c`
- `Linux >= b3aa9283c0c505b5cfd25f7d6cfd720de2adc807 < ac6769c8f948dff33265c50e524aebf9aa6f1be0`
- `Linux 6.14`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.