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

{
  "id": "161ef388d474a8e89b1401f3e4b9ccc547e5f242546e5789be251c87793c1a17",
  "url": "https://osv.dev/vulnerability/CVE-2026-64105",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "KVM: arm64: vgic: Free private_irqs when init fails after allocation",
    "summary": "In 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.",
    "evidence": "osv:CVE-2026-64105",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.92",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.34",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.0.11",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-64105",
      "aliases": [
        "CVE-2026-64105"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "03b3d00a70b55857439511c1b558ca00a99f4126"
                },
                {
                  "fixed": "173fb86e5519dbe7aabed1f5fa7456152a4a2e38"
                },
                {
                  "fixed": "7023900b4988fb6f4a59d304d878003ff562e98d"
                },
                {
                  "fixed": "e690caa54a6139d98495ac69626807623520babd"
                },
                {
                  "fixed": "f19c354dbd457759dfcf1195ab4bdba2bb568323"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64105.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.10.0"
                },
                {
                  "fixed": "6.12.92"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.18.34"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "7.0.11"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64105.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.902130330Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/173fb86e5519dbe7aabed1f5fa7456152a4a2e38",
        "https://git.kernel.org/stable/c/7023900b4988fb6f4a59d304d878003ff562e98d",
        "https://git.kernel.org/stable/c/e690caa54a6139d98495ac69626807623520babd",
        "https://git.kernel.org/stable/c/f19c354dbd457759dfcf1195ab4bdba2bb568323",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64105.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-64105",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64105.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-64105",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 490366,
  "published_at": "2026-07-19T15:40:08.605+00:00"
}