{"cve":"CVE-2022-50706","nvd":{"published":"2025-12-24T11:15:50.780","modified":"2026-06-17T05:24:02.413","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/ieee802154: don't warn zero-sized raw_sendmsg()\n\nsyzbot is hitting skb_assert_len() warning at __dev_queue_xmit() [1],\nfor PF_IEEE802154 socket's zero-sized raw_sendmsg() request is hitting\n__dev_queue_xmit() with skb->len == 0.\n\nSince PF_IEEE802154 socket's zero-sized raw_sendmsg() request was\nable to return 0, don't call __dev_queue_xmit() if packet length is 0.\n\n  ----------\n  #include <sys/socket.h>\n  #include <netinet/in.h>\n\n  int main(int argc, char *argv[])\n  {\n    struct sockaddr_in addr = { .sin_family = AF_INET, .sin_addr.s_addr = htonl(INADDR_LOOPBACK) };\n    struct iovec iov = { };\n    struct msghdr hdr = { .msg_name = &addr, .msg_namelen = sizeof(addr), .msg_iov = &iov, .msg_iovlen = 1 };\n    sendmsg(socket(PF_IEEE802154, SOCK_RAW, 0), &hdr, 0);\n    return 0;\n  }\n  ----------\n\nNote that this might be a sign that commit fd1894224407c484 (\"bpf: Don't\nredirect packets with invalid pkt_len\") should be reverted, for\nskb->len == 0 was acceptable for at least PF_IEEE802154 socket.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/34f31a2b667914ab701ca725554a0b447809d7ef","https://git.kernel.org/stable/c/4a36de8947794fa21435d1e916e089095f3246a8","https://git.kernel.org/stable/c/791489a5c56396ddfed75fc525066d4738dace46","https://git.kernel.org/stable/c/9974d220c5073d035b5469d1d8ecd71da86c7afd","https://git.kernel.org/stable/c/b12e924a2f5b960373459c8f8a514f887adf5cac"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:17:07.138532058+00:00"},"epss":{"cve":"CVE-2022-50706","score":0.00206,"percentile":0.10629,"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."]}