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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-43351

KVM: arm64: Eagerly init vgic dist/redist on vgic creationCVE-2026-43351

Answer in brief

CVE-2026-43351 records a Unknown severity vulnerability in KVM: arm64: Eagerly init vgic dist/redist on vgic creation. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published May 8, 2026Updated Nov 6, 2026Source checked Nov 6, 2026First seen by HOL Nov 6, 2026Material review Nov 6, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=b3aa9283c0c505b5cfd25f7d6cfd720de2adc807 <b7493f48c3dba75674a4ee505b4afa8fe5102457 || >=b3aa9283c0c505b5cfd25f7d6cfd720de2adc807 <a24f1d80fbcdbf8b2a7044a00fa12b3972b4c31c || >=b3aa9283c0c505b5cfd25f7d6cfd720de2adc807 <ac6769c8f948dff33265c50e524aebf9aa6f1be0b7493f48c3dba75674a4ee505b4afa8fe5102457, a24f1d80fbcdbf8b2a7044a00fa12b3972b4c31c, ac6769c8f948dff33265c50e524aebf9aa6f1be0
Linux/Linuxgeneric6.14Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to b7493f48c3dba75674a4ee505b4afa8fe5102457 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    May 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 6, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

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...

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 6, 2026
References
3 linked sources
Open source record