octeontx2-pf: fix double free in rvu_rep_rsrc_init()

{
  "id": "1b49fe43cf5c66c0b0a7089178e210e4eaef91376109b39fcdaf5c806ea1d5d0",
  "url": "https://osv.dev/vulnerability/CVE-2026-64224",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "octeontx2-pf: fix double free in rvu_rep_rsrc_init()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: fix double free in rvu_rep_rsrc_init() rvu_rep_rsrc_init() allocates queue memory before calling otx2_init_hw_resources(). When hardware resource setup fails, otx2_init_hw_resources() already unwinds the partially initialized SQ, CQ, and aura state before returning an error. The representor error path then calls otx2_free_hw_resources() again and can free the same resources a second time. Fix this by splitting the cleanup labels so that a failure from otx2_init_hw_resources() only releases queue memory. Keep the otx2_free_hw_resources() call for failures that happen after hardware resource initialization completed successfully. The bug was first flagged by an experimental analysis tool we are developing for kernel memory-management bugs while analyzing v6.13-rc1. The tool is still under development and is not yet publicly available. Manual inspection confirms that the bug is still present in v7.1-rc3. Runtime validation was not performed because reproducing this path requires OcteonTX2 representor hardware.",
    "evidence": "osv:CVE-2026-64224",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.18.34",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.0.11",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-64224",
      "aliases": [
        "CVE-2026-64224"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "3937b7308d4fce2793fa7fa56ed0faf0f8b6dc7a"
                },
                {
                  "fixed": "8864b664d0443ecb8e56690e5546fcda5fe5e81b"
                },
                {
                  "fixed": "eb72a65f2bb2cc059e2ca5d83de01fdf3ea602ad"
                },
                {
                  "fixed": "e8fb3de2a8effcaf62bec2c56b93d8bb480371d1"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64224.json"
          }
        },
        {
          "ranges": [
            {
              "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-2026-64224.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:43.200911854Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/8864b664d0443ecb8e56690e5546fcda5fe5e81b",
        "https://git.kernel.org/stable/c/e8fb3de2a8effcaf62bec2c56b93d8bb480371d1",
        "https://git.kernel.org/stable/c/eb72a65f2bb2cc059e2ca5d83de01fdf3ea602ad",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64224.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-64224",
        "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-2026-64224.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-64224",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 510727,
  "published_at": "2026-07-24T15:23:09.209+00:00"
}