CVE-2026-90319 (GCVE-0-2026-90319)
Vulnerability from cvelistv5
Published
2026-09-17 16:08
Modified
2026-10-19 09:01
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: rapidio: clear mport->net when rio_add_net() fails rio_alloc_net() stores the newly allocated rio_net in mport->net before rio_scan_alloc_net() registers the device. If rio_add_net() fails, rio_scan_alloc_net() drops the device reference with put_device(), which releases the rio_net through the device release callback. However, mport->net is left pointing at the freed object. A later mport unregister path can then dereference the dangling mport->net pointer and may try to free the same rio_net again. Clear mport->net in the rio_add_net() failure path, matching the cleanup done for the destID table allocation failure path.
References
Impacted products
Vendor Product Version
Linux Linux Version: 4f3509cfcc02e9d757f2714bb7dbbeec35de6fa7
Version: 181d4daaefb3bceeb2f2635ba9f3781eeda9e550
Version: ad82be4298a89a9ae46f07128bdf3d8614bce745
Version: e6411c3b9512dba09af7d014d474516828c89706
Version: c332f3e2df0fcae5a45fd55cc18902fb1e4825ca
Version: e842f9a1edf306bf36fe2a4d847a0b0d458770de
Version: e842f9a1edf306bf36fe2a4d847a0b0d458770de
Version: e842f9a1edf306bf36fe2a4d847a0b0d458770de
Version: 6d22953c4a183d0b7fdf34d68c5debd16da6edc5
Version: a0d069ccc475abaaa79c6368ee27fc0b5912bea8
Version: 5.10.235   ≤
Version: 5.15.179   ≤
Version: 6.1.131   ≤
Version: 6.6.83   ≤
Version: 6.12.19   ≤
Version: 5.4.291   ≤
Version: 6.13.7   ≤
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrapidio: clear mport-\u003enet when rio_add_net() fails\n\nrio_alloc_net() stores the newly allocated rio_net in mport-\u003enet before\nrio_scan_alloc_net() registers the device.\n\nIf rio_add_net() fails, rio_scan_alloc_net() drops the device reference\nwith put_device(), which releases the rio_net through the device release\ncallback.  However, mport-\u003enet is left pointing at the freed object.\n\nA later mport unregister path can then dereference the dangling mport-\u003enet\npointer and may try to free the same rio_net again.\n\nClear mport-\u003enet in the rio_add_net() failure path, matching the cleanup\ndone for the destID table allocation failure path."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T09:01:35.572Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/24f60ebabeb8757cec8ec2f97660d521bc9147ec"
        },
        {
          "url": "https://git.kernel.org/stable/c/6a760a53e73064735cdfa9e51c664983a89baf96"
        },
        {
          "url": "https://git.kernel.org/stable/c/3f00999e44d9984036a029dbad9d2afe94a674d0"
        },
        {
          "url": "https://git.kernel.org/stable/c/332591a245de978349a7558f8b20469951bb77cc"
        },
        {
          "url": "https://git.kernel.org/stable/c/75f0bc167b96bbbef8182b88308c732af82c8d83"
        },
        {
          "url": "https://git.kernel.org/stable/c/44a37264b26911e13d0a4f5630751c4157ed0354"
        },
        {
          "url": "https://git.kernel.org/stable/c/530a9d5ef831a0049dad9a6b2b92d02301352c38"
        },
        {
          "url": "https://git.kernel.org/stable/c/b74030fbf187b43c1f85b66a7082e9946511cb5d"
        }
      ],
      "title": "rapidio: clear mport-\u003enet when rio_add_net() fails",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-90319",
    "datePublished": "2026-09-17T16:08:36.840Z",
    "dateReserved": "2026-09-11T19:38:34.801Z",
    "dateUpdated": "2026-10-19T09:01:35.572Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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