{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "03b92789e5cfdac66805c1a98f1ec67336199d56"
            },
            {
              "fixed": "852637d3ee56aed8ea3ee8948eda21eca406c051"
            },
            {
              "fixed": "3d0e5252b8d0345ef494763ca31e3ddd666e02cb"
            },
            {
              "fixed": "0feb29d434e6cc0ebefec4f77be014c85ad751b0"
            },
            {
              "fixed": "3f1e196eb66b8cd3882e373794d6cea46f150a20"
            },
            {
              "fixed": "4ff9d58d34758e9633078b37e8d5289b513ff80e"
            },
            {
              "fixed": "fd4d3ad5f244a867166d1e2da7ece3d82878ec81"
            },
            {
              "fixed": "4204f5c0312ba136181a6e148ffa0bfaf95a4cc1"
            },
            {
              "fixed": "2e3809ad8911f5d5581b3f046bd628417bface76"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.2.0"
            },
            {
              "fixed": "5.10.270"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.221"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93103.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hfi1: Preserve unit 0 on allocation failure\n\nhfi1_free_devdata() assumes that the device was inserted into the unit\ntable and unconditionally erases dd-\u003eunit. If xa_alloc_irq() fails, the\nzero-initialized unit remains zero, so full cleanup can remove an\nunrelated device from index 0.\n\nRelease only the rdmavt allocation and return immediately while the unit\ntable has not acquired the device.",
  "id": "CVE-2026-93103",
  "modified": "2026-09-19T03:30:40.638833428Z",
  "published": "2026-09-17T16:11:15.105Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0feb29d434e6cc0ebefec4f77be014c85ad751b0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2e3809ad8911f5d5581b3f046bd628417bface76"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3d0e5252b8d0345ef494763ca31e3ddd666e02cb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3f1e196eb66b8cd3882e373794d6cea46f150a20"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4204f5c0312ba136181a6e148ffa0bfaf95a4cc1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4ff9d58d34758e9633078b37e8d5289b513ff80e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/852637d3ee56aed8ea3ee8948eda21eca406c051"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fd4d3ad5f244a867166d1e2da7ece3d82878ec81"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93103.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93103"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "RDMA/hfi1: Preserve unit 0 on allocation failure"
}