{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/infiniband/hw/hfi1/pio.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "25760a41e3802f54aadcc31385543665ab349b8e",
              "status": "affected",
              "version": "d997d4e4365f7e59cf6b59c70f966c56d704b64f",
              "versionType": "git"
            },
            {
              "lessThan": "7c4260f8f188df32414a5ecad63e8b934c2aa3f0",
              "status": "affected",
              "version": "d98883f6c33e0d960afedcecaa92fc2b61fec383",
              "versionType": "git"
            },
            {
              "lessThan": "ba95409d6b580501ff6d78efd00064f7df669926",
              "status": "affected",
              "version": "13bac861952a78664907a0f927d3e874e9a59034",
              "versionType": "git"
            },
            {
              "lessThan": "b8bcff99b07cc175a6ee12a52db51cdd2229586c",
              "status": "affected",
              "version": "13bac861952a78664907a0f927d3e874e9a59034",
              "versionType": "git"
            },
            {
              "lessThan": "1afac08b39d85437187bb2a92d89a741b1078f55",
              "status": "affected",
              "version": "13bac861952a78664907a0f927d3e874e9a59034",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/infiniband/hw/hfi1/pio.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.15"
            },
            {
              "lessThan": "5.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.224",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.154",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.78",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nIB/hfi1: Correctly move list in sc_disable()\n\nCommit 13bac861952a (\"IB/hfi1: Fix abba locking issue with sc_disable()\")\nincorrectly tries to move a list from one list head to another.  The\nresult is a kernel crash.\n\nThe crash is triggered when a link goes down and there are waiters for a\nsend to complete.  The following signature is seen:\n\n  BUG: kernel NULL pointer dereference, address: 0000000000000030\n  [...]\n  Call Trace:\n   sc_disable+0x1ba/0x240 [hfi1]\n   pio_freeze+0x3d/0x60 [hfi1]\n   handle_freeze+0x27/0x1b0 [hfi1]\n   process_one_work+0x1b0/0x380\n   ? process_one_work+0x380/0x380\n   worker_thread+0x30/0x360\n   ? process_one_work+0x380/0x380\n   kthread+0xd7/0x100\n   ? kthread_complete_and_exit+0x20/0x20\n   ret_from_fork+0x1f/0x30\n\nThe fix is to use the correct call to move the list."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-01T14:11:08.135Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/25760a41e3802f54aadcc31385543665ab349b8e"
        },
        {
          "url": "https://git.kernel.org/stable/c/7c4260f8f188df32414a5ecad63e8b934c2aa3f0"
        },
        {
          "url": "https://git.kernel.org/stable/c/ba95409d6b580501ff6d78efd00064f7df669926"
        },
        {
          "url": "https://git.kernel.org/stable/c/b8bcff99b07cc175a6ee12a52db51cdd2229586c"
        },
        {
          "url": "https://git.kernel.org/stable/c/1afac08b39d85437187bb2a92d89a741b1078f55"
        }
      ],
      "title": "IB/hfi1: Correctly move list in sc_disable()",
      "x_generator": {
        "engine": "bippy-1.1.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49931",
    "datePublished": "2025-05-01T14:11:08.135Z",
    "dateReserved": "2025-05-01T14:05:17.254Z",
    "dateUpdated": "2025-05-01T14:11:08.135Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49931\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:19.087\",\"lastModified\":\"2025-05-01T15:16:19.087\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nIB/hfi1: Correctly move list in sc_disable()\\n\\nCommit 13bac861952a (\\\"IB/hfi1: Fix abba locking issue with sc_disable()\\\")\\nincorrectly tries to move a list from one list head to another.  The\\nresult is a kernel crash.\\n\\nThe crash is triggered when a link goes down and there are waiters for a\\nsend to complete.  The following signature is seen:\\n\\n  BUG: kernel NULL pointer dereference, address: 0000000000000030\\n  [...]\\n  Call Trace:\\n   sc_disable+0x1ba/0x240 [hfi1]\\n   pio_freeze+0x3d/0x60 [hfi1]\\n   handle_freeze+0x27/0x1b0 [hfi1]\\n   process_one_work+0x1b0/0x380\\n   ? process_one_work+0x380/0x380\\n   worker_thread+0x30/0x360\\n   ? process_one_work+0x380/0x380\\n   kthread+0xd7/0x100\\n   ? kthread_complete_and_exit+0x20/0x20\\n   ret_from_fork+0x1f/0x30\\n\\nThe fix is to use the correct call to move the list.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1afac08b39d85437187bb2a92d89a741b1078f55\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/25760a41e3802f54aadcc31385543665ab349b8e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7c4260f8f188df32414a5ecad63e8b934c2aa3f0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b8bcff99b07cc175a6ee12a52db51cdd2229586c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ba95409d6b580501ff6d78efd00064f7df669926\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}