cve-2021-47612
Vulnerability from cvelistv5
Published
2024-06-19 14:58
Modified
2024-12-19 07:45
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: nfc: fix segfault in nfc_genl_dump_devices_done When kmalloc in nfc_genl_dump_devices() fails then nfc_genl_dump_devices_done() segfaults as below KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 PID: 25 Comm: kworker/0:1 Not tainted 5.16.0-rc4-01180-g2a987e65025e-dirty #5 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-6.fc35 04/01/2014 Workqueue: events netlink_sock_destruct_work RIP: 0010:klist_iter_exit+0x26/0x80 Call Trace: <TASK> class_dev_iter_exit+0x15/0x20 nfc_genl_dump_devices_done+0x3b/0x50 genl_lock_done+0x84/0xd0 netlink_sock_destruct+0x8f/0x270 __sk_destruct+0x64/0x3b0 sk_destruct+0xa8/0xd0 __sk_free+0x2e8/0x3d0 sk_free+0x51/0x90 netlink_sock_destruct_work+0x1c/0x20 process_one_work+0x411/0x710 worker_thread+0x6fd/0xa80
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/214af18abbe39db05beb305b2d11e87d09a6529cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2a8845b9603c545fddd17862282dc4c4ce0971e3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6644989642844de830f9b072cd65c553cb55946cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c602863ad28ec86794cb4ab4edea5324f555f181Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d731ecc6f2eaec68f4ad1542283bbc7d07bd0112Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d89e4211b51752daf063d638af50abed2fd5f96dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ea55b3797878752aa076b118afb727dcf79cac34Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fd79a0cbf0b2e34bcc45b13acf962e2032a82203Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/214af18abbe39db05beb305b2d11e87d09a6529cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2a8845b9603c545fddd17862282dc4c4ce0971e3Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6644989642844de830f9b072cd65c553cb55946cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c602863ad28ec86794cb4ab4edea5324f555f181Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d731ecc6f2eaec68f4ad1542283bbc7d07bd0112Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d89e4211b51752daf063d638af50abed2fd5f96dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ea55b3797878752aa076b118afb727dcf79cac34Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/fd79a0cbf0b2e34bcc45b13acf962e2032a82203Patch
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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      cveId: "CVE-2021-47612",
      datePublished: "2024-06-19T14:58:01.108Z",
      dateReserved: "2024-06-19T14:55:32.795Z",
      dateUpdated: "2024-12-19T07:45:47.181Z",
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      nvd: "{\"cve\":{\"id\":\"CVE-2021-47612\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-19T15:15:55.750\",\"lastModified\":\"2024-11-21T06:36:40.130\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"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<TASK>\\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\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nfc: corrige el error de segmentación en nfc_genl_dump_devices_done Cuando falla kmalloc en nfc_genl_dump_devices(), entonces el error de segmentación de nfc_genl_dump_devices_done() se muestra a continuación KASAN: null-ptr-deref en el rango [0x0000000000000008-0x00 0000000000000f] CPU: 0 PID : 25 Comm: kworker/0:1 Not tainted 5.16.0-rc4-01180-g2a987e65025e-dirty #5 Nombre del hardware: PC estándar QEMU (i440FX + PIIX, 1996), BIOS 1.14.0-6.fc35 04/01/ 2014 Cola de trabajo: eventos netlink_sock_destruct_work RIP: 0010:klist_iter_exit+0x26/0x80 Seguimiento de llamadas:  class_dev_iter_exit+0x15/0x20 nfc_genl_dump_devices_done+0x3b/0x50 genl_lock_done+0x84/0xd0 estructura+0x8f/0x270 __sk_destruct+0x64/0x3b0 sk_destruct+0xa8/0xd0 __sk_free+0x2e8/0x3d0 sk_free+0x51/0x90 netlink_sock_destruct_work+0x1c/0x20 Process_one_work+0x411/0x710 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      vulnrichment: {
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         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


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