{"cve":"CVE-2022-50854","nvd":{"published":"2025-12-30T13:16:00.117","modified":"2026-06-17T05:24:18.110","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: virtual_ncidev: Fix memory leak in virtual_nci_send()\n\nskb should be free in virtual_nci_send(), otherwise kmemleak will report\nmemleak.\n\nSteps for reproduction (simulated in qemu):\n\tcd tools/testing/selftests/nci\n\tmake\n\t./nci_dev\n\nBUG: memory leak\nunreferenced object 0xffff888107588000 (size 208):\n  comm \"nci_dev\", pid 206, jiffies 4294945376 (age 368.248s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<000000008d94c8fd>] __alloc_skb+0x1da/0x290\n    [<00000000278bc7f8>] nci_send_cmd+0xa3/0x350\n    [<0000000081256a22>] nci_reset_req+0x6b/0xa0\n    [<000000009e721112>] __nci_request+0x90/0x250\n    [<000000005d556e59>] nci_dev_up+0x217/0x5b0\n    [<00000000e618ce62>] nfc_dev_up+0x114/0x220\n    [<00000000981e226b>] nfc_genl_dev_up+0x94/0xe0\n    [<000000009bb03517>] genl_family_rcv_msg_doit.isra.14+0x228/0x2d0\n    [<00000000b7f8c101>] genl_rcv_msg+0x35c/0x640\n    [<00000000c94075ff>] netlink_rcv_skb+0x11e/0x350\n    [<00000000440cfb1e>] genl_rcv+0x24/0x40\n    [<0000000062593b40>] netlink_unicast+0x43f/0x640\n    [<000000001d0b13cc>] netlink_sendmsg+0x73a/0xbf0\n    [<000000003272487f>] __sys_sendto+0x324/0x370\n    [<00000000ef9f1747>] __x64_sys_sendto+0xdd/0x1b0\n    [<000000001e437841>] do_syscall_64+0x3f/0x90","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/2c46a9a5f0b1c7341aa67667801079f3ff571678","https://git.kernel.org/stable/c/88e879c9f59511174ef0ab1a3c9c83e2dbf8a213","https://git.kernel.org/stable/c/e840d8f4a1b323973052a1af5ad4edafcde8ae3d"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:18:08.089039631+00:00"},"epss":{"cve":"CVE-2022-50854","score":0.00199,"percentile":0.09732,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}