{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-54174",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:44.496Z",
        "datePublished": "2025-12-30T12:08:47.527Z",
        "dateUpdated": "2026-05-11T19:56:52.938Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:56:52.938Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvfio: Fix NULL pointer dereference caused by uninitialized group->iommufd\n\ngroup->iommufd 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]  <TASK>\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"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/vfio/group.c"
                    ],
                    "versions": [
                        {
                            "version": "9eefba8002c27d65ab52a533fd0611b099b73591",
                            "lessThan": "8f24eef598ce7cce0bbefe0ec642bcc031d0f528",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9eefba8002c27d65ab52a533fd0611b099b73591",
                            "lessThan": "d649c34cb916b015fdcb487e51409fcc5caeca8d",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/vfio/group.c"
                    ],
                    "versions": [
                        {
                            "version": "6.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2.3",
                            "lessThanOrEqual": "6.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.2.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "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->iommufd",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}