CVE-2023-54174 (GCVE-0-2023-54174)
Vulnerability from cvelistv5
Published
2025-12-30 12:08
Modified
2025-12-30 12:08
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: vfio: Fix NULL pointer dereference caused by uninitialized group->iommufd group->iommufd is not initialized for the iommufd_ctx_put() [20018.331541] BUG: kernel NULL pointer dereference, address: 0000000000000000 [20018.377508] RIP: 0010:iommufd_ctx_put+0x5/0x10 [iommufd] ... [20018.476483] Call Trace: [20018.479214] <TASK> [20018.481555] vfio_group_fops_unl_ioctl+0x506/0x690 [vfio] [20018.487586] __x64_sys_ioctl+0x6a/0xb0 [20018.491773] ? trace_hardirqs_on+0xc5/0xe0 [20018.496347] do_syscall_64+0x67/0x90 [20018.500340] entry_SYSCALL_64_after_hwframe+0x4b/0xb5
References
Impacted products
Vendor Product Version
Linux Linux Version: 9eefba8002c27d65ab52a533fd0611b099b73591
Version: 9eefba8002c27d65ab52a533fd0611b099b73591
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/vfio/group.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "8f24eef598ce7cce0bbefe0ec642bcc031d0f528",
              "status": "affected",
              "version": "9eefba8002c27d65ab52a533fd0611b099b73591",
              "versionType": "git"
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              "lessThan": "d649c34cb916b015fdcb487e51409fcc5caeca8d",
              "status": "affected",
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              "versionType": "git"
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        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/vfio/group.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.2"
            },
            {
              "lessThan": "6.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "lessThanOrEqual": "6.2.*",
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              "version": "6.2.3",
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              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.3",
              "versionType": "original_commit_for_fix"
            }
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      ],
      "cpeApplicability": [
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          "nodes": [
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              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2.3",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.3",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
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              ],
              "negate": false,
              "operator": "OR"
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          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvfio: Fix NULL pointer dereference caused by uninitialized group-\u003eiommufd\n\ngroup-\u003eiommufd is not initialized for the iommufd_ctx_put()\n\n[20018.331541] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[20018.377508] RIP: 0010:iommufd_ctx_put+0x5/0x10 [iommufd]\n...\n[20018.476483] Call Trace:\n[20018.479214]  \u003cTASK\u003e\n[20018.481555]  vfio_group_fops_unl_ioctl+0x506/0x690 [vfio]\n[20018.487586]  __x64_sys_ioctl+0x6a/0xb0\n[20018.491773]  ? trace_hardirqs_on+0xc5/0xe0\n[20018.496347]  do_syscall_64+0x67/0x90\n[20018.500340]  entry_SYSCALL_64_after_hwframe+0x4b/0xb5"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-30T12:08:47.527Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8f24eef598ce7cce0bbefe0ec642bcc031d0f528"
        },
        {
          "url": "https://git.kernel.org/stable/c/d649c34cb916b015fdcb487e51409fcc5caeca8d"
        }
      ],
      "title": "vfio: Fix NULL pointer dereference caused by uninitialized group-\u003eiommufd",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54174",
    "datePublished": "2025-12-30T12:08:47.527Z",
    "dateReserved": "2025-12-30T12:06:44.496Z",
    "dateUpdated": "2025-12-30T12:08:47.527Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-54174\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-30T13:16:05.267\",\"lastModified\":\"2025-12-30T13:16:05.267\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nvfio: Fix NULL pointer dereference caused by uninitialized group-\u003eiommufd\\n\\ngroup-\u003eiommufd is not initialized for the iommufd_ctx_put()\\n\\n[20018.331541] BUG: kernel NULL pointer dereference, address: 0000000000000000\\n[20018.377508] RIP: 0010:iommufd_ctx_put+0x5/0x10 [iommufd]\\n...\\n[20018.476483] Call Trace:\\n[20018.479214]  \u003cTASK\u003e\\n[20018.481555]  vfio_group_fops_unl_ioctl+0x506/0x690 [vfio]\\n[20018.487586]  __x64_sys_ioctl+0x6a/0xb0\\n[20018.491773]  ? trace_hardirqs_on+0xc5/0xe0\\n[20018.496347]  do_syscall_64+0x67/0x90\\n[20018.500340]  entry_SYSCALL_64_after_hwframe+0x4b/0xb5\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/8f24eef598ce7cce0bbefe0ec642bcc031d0f528\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d649c34cb916b015fdcb487e51409fcc5caeca8d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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