{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47612", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-06-19T14:55:32.795Z", "datePublished": "2024-06-19T14:58:01.108Z", "dateUpdated": "2026-05-11T13:57:54.815Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:57:54.815Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: fix segfault in nfc_genl_dump_devices_done\n\nWhen kmalloc in nfc_genl_dump_devices() fails then\nnfc_genl_dump_devices_done() segfaults as below\n\nKASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]\nCPU: 0 PID: 25 Comm: kworker/0:1 Not tainted 5.16.0-rc4-01180-g2a987e65025e-dirty #5\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-6.fc35 04/01/2014\nWorkqueue: events netlink_sock_destruct_work\nRIP: 0010:klist_iter_exit+0x26/0x80\nCall Trace:\n\nclass_dev_iter_exit+0x15/0x20\nnfc_genl_dump_devices_done+0x3b/0x50\ngenl_lock_done+0x84/0xd0\nnetlink_sock_destruct+0x8f/0x270\n__sk_destruct+0x64/0x3b0\nsk_destruct+0xa8/0xd0\n__sk_free+0x2e8/0x3d0\nsk_free+0x51/0x90\nnetlink_sock_destruct_work+0x1c/0x20\nprocess_one_work+0x411/0x710\nworker_thread+0x6fd/0xa80" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/nfc/netlink.c" ], "versions": [ { "version": "4d12b8b129f170d0fc3188de1e51a2a1b0f87730", "lessThan": "ea55b3797878752aa076b118afb727dcf79cac34", "status": "affected", "versionType": "git" }, { "version": "4d12b8b129f170d0fc3188de1e51a2a1b0f87730", "lessThan": "214af18abbe39db05beb305b2d11e87d09a6529c", "status": "affected", "versionType": "git" }, { "version": "4d12b8b129f170d0fc3188de1e51a2a1b0f87730", "lessThan": "6644989642844de830f9b072cd65c553cb55946c", "status": "affected", "versionType": "git" }, { "version": "4d12b8b129f170d0fc3188de1e51a2a1b0f87730", "lessThan": "2a8845b9603c545fddd17862282dc4c4ce0971e3", "status": "affected", "versionType": "git" }, { "version": "4d12b8b129f170d0fc3188de1e51a2a1b0f87730", "lessThan": "d731ecc6f2eaec68f4ad1542283bbc7d07bd0112", "status": "affected", "versionType": "git" }, { "version": "4d12b8b129f170d0fc3188de1e51a2a1b0f87730", "lessThan": "c602863ad28ec86794cb4ab4edea5324f555f181", "status": "affected", "versionType": "git" }, { "version": "4d12b8b129f170d0fc3188de1e51a2a1b0f87730", "lessThan": "d89e4211b51752daf063d638af50abed2fd5f96d", "status": "affected", "versionType": "git" }, { "version": "4d12b8b129f170d0fc3188de1e51a2a1b0f87730", "lessThan": "fd79a0cbf0b2e34bcc45b13acf962e2032a82203", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/nfc/netlink.c" ], "versions": [ { "version": "3.1", "status": "affected" }, { "version": "0", "lessThan": "3.1", "status": "unaffected", "versionType": "semver" }, { "version": "4.4.296", "lessThanOrEqual": "4.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.294", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.259", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.222", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.167", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.87", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.10", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16", "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": "3.1", "versionEndExcluding": "4.4.296" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "4.9.294" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "4.14.259" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "4.19.222" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "5.4.167" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "5.10.87" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "5.15.10" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "5.16" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/ea55b3797878752aa076b118afb727dcf79cac34" }, { "url": "https://git.kernel.org/stable/c/214af18abbe39db05beb305b2d11e87d09a6529c" }, { "url": "https://git.kernel.org/stable/c/6644989642844de830f9b072cd65c553cb55946c" }, { "url": "https://git.kernel.org/stable/c/2a8845b9603c545fddd17862282dc4c4ce0971e3" }, { "url": "https://git.kernel.org/stable/c/d731ecc6f2eaec68f4ad1542283bbc7d07bd0112" }, { "url": "https://git.kernel.org/stable/c/c602863ad28ec86794cb4ab4edea5324f555f181" }, { "url": "https://git.kernel.org/stable/c/d89e4211b51752daf063d638af50abed2fd5f96d" }, { "url": "https://git.kernel.org/stable/c/fd79a0cbf0b2e34bcc45b13acf962e2032a82203" } ], "title": "nfc: fix segfault in nfc_genl_dump_devices_done", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-06-20T13:23:29.231566Z", "id": "CVE-2021-47612", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-20T13:23:59.243Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:47:40.566Z" }, "title": "CVE Program Container", "references": [ { "url": 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