KVM: arm64: vgic: Free private_irqs when init fails after allocation

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Summary

CVECVE-2026-64105
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-19 16:17:51 UTC
Updated2026-07-19 16:17:51 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic: Free private_irqs when init fails after allocation Companion to commit 250f25367b58 ("KVM: arm64: Tear down vGIC on failed vCPU creation"), which added the missing kvm_vgic_vcpu_destroy() call to the kvm_share_hyp() failure path in kvm_arch_vcpu_create(). The kvm_vgic_vcpu_init() failure path immediately above it has the same shape and still needs the same cleanup. Call kvm_vgic_vcpu_destroy() when kvm_vgic_vcpu_init() fails so private IRQs allocated before a redistributor iodev registration failure are released before the failed vCPU is freed.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 03b3d00a70b55857439511c1b558ca00a99f4126 173fb86e5519dbe7aabed1f5fa7456152a4a2e38 git Not specified
CNA Linux Linux affected 03b3d00a70b55857439511c1b558ca00a99f4126 7023900b4988fb6f4a59d304d878003ff562e98d git Not specified
CNA Linux Linux affected 03b3d00a70b55857439511c1b558ca00a99f4126 e690caa54a6139d98495ac69626807623520babd git Not specified
CNA Linux Linux affected 03b3d00a70b55857439511c1b558ca00a99f4126 f19c354dbd457759dfcf1195ab4bdba2bb568323 git Not specified
CNA Linux Linux affected 6.10 Not specified
CNA Linux Linux unaffected 6.10 semver Not specified
CNA Linux Linux unaffected 6.12.92 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.34 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.11 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/173fb86e5519dbe7aabed1f5fa7456152a4a2e38 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e690caa54a6139d98495ac69626807623520babd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7023900b4988fb6f4a59d304d878003ff562e98d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f19c354dbd457759dfcf1195ab4bdba2bb568323 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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