{"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"}}}}

{}

{"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->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"}], "id": "CVE-2023-54174", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-12-30T13:16:05.267", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8f24eef598ce7cce0bbefe0ec642bcc031d0f528"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d649c34cb916b015fdcb487e51409fcc5caeca8d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: vfio: Fix NULL pointer dereference caused by uninitialized group->iommufd", "id": "2426192", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426192"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2023-54174", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-54174\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-54174\nhttps://lore.kernel.org/linux-cve-announce/2025123022-CVE-2023-54174-1ff6@gregkh/T"], "threat_severity": "Low"}

{}