{"id":"CVE-2021-47612","details":"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\u003cTASK\u003e\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","modified":"2026-03-13T05:16:33.549323Z","published":"2024-06-19T15:15:55.750Z","related":["SUSE-SU-2024:2362-1","SUSE-SU-2024:2372-1","SUSE-SU-2024:2384-1","SUSE-SU-2024:2394-1","SUSE-SU-2024:2902-1","SUSE-SU-2024:2929-1","SUSE-SU-2024:2939-1","SUSE-SU-2024:4100-1","SUSE-SU-2025:0034-1"],"references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/c602863ad28ec86794cb4ab4edea5324f555f181"},{"type":"FIX","url":"https://git.kernel.org/stable/c/d731ecc6f2eaec68f4ad1542283bbc7d07bd0112"},{"type":"FIX","url":"https://git.kernel.org/stable/c/d89e4211b51752daf063d638af50abed2fd5f96d"},{"type":"FIX","url":"https://git.kernel.org/stable/c/ea55b3797878752aa076b118afb727dcf79cac34"},{"type":"FIX","url":"https://git.kernel.org/stable/c/fd79a0cbf0b2e34bcc45b13acf962e2032a82203"},{"type":"FIX","url":"https://git.kernel.org/stable/c/214af18abbe39db05beb305b2d11e87d09a6529c"},{"type":"FIX","url":"https://git.kernel.org/stable/c/2a8845b9603c545fddd17862282dc4c4ce0971e3"},{"type":"FIX","url":"https://git.kernel.org/stable/c/6644989642844de830f9b072cd65c553cb55946c"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-47612.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"4.4.296"}]},{"events":[{"introduced":"4.5"},{"fixed":"4.9.294"}]},{"events":[{"introduced":"4.10"},{"fixed":"4.14.259"}]},{"events":[{"introduced":"4.15"},{"fixed":"4.19.222"}]},{"events":[{"introduced":"4.20"},{"fixed":"5.4.167"}]},{"events":[{"introduced":"5.5"},{"fixed":"5.10.87"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.15.10"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}