{"cve":"CVE-2026-23119","nvd":{"published":"2026-02-14T15:16:07.043","modified":"2026-10-19T19:17:37.527","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbonding: provide a net pointer to __skb_flow_dissect()\n\nAfter 3cbf4ffba5ee (\"net: plumb network namespace into __skb_flow_dissect\")\nwe have to provide a net pointer to __skb_flow_dissect(),\neither via skb->dev, skb->sk, or a user provided pointer.\n\nIn the following case, syzbot was able to cook a bare skb.\n\nWARNING: net/core/flow_dissector.c:1131 at __skb_flow_dissect+0xb57/0x68b0 net/core/flow_dissector.c:1131, CPU#1: syz.2.1418/11053\nCall Trace:\n <TASK>\n  bond_flow_dissect drivers/net/bonding/bond_main.c:4093 [inline]\n  __bond_xmit_hash+0x2d7/0xba0 drivers/net/bonding/bond_main.c:4157\n  bond_xmit_hash_xdp drivers/net/bonding/bond_main.c:4208 [inline]\n  bond_xdp_xmit_3ad_xor_slave_get drivers/net/bonding/bond_main.c:5139 [inline]\n  bond_xdp_get_xmit_slave+0x1fd/0x710 drivers/net/bonding/bond_main.c:5515\n  xdp_master_redirect+0x13f/0x2c0 net/core/filter.c:4388\n  bpf_prog_run_xdp include/net/xdp.h:700 [inline]\n  bpf_test_run+0x6b2/0x7d0 net/bpf/test_run.c:421\n  bpf_prog_test_run_xdp+0x795/0x10e0 net/bpf/test_run.c:1390\n  bpf_prog_test_run+0x2c7/0x340 kernel/bpf/syscall.c:4703\n  __sys_bpf+0x562/0x860 kernel/bpf/syscall.c:6182\n  __do_sys_bpf kernel/bpf/syscall.c:6274 [inline]\n  __se_sys_bpf kernel/bpf/syscall.c:6272 [inline]\n  __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6272\n  do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n  do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/0efee0b992f28bd5ee01c7a86ef6a307c42eb907","https://git.kernel.org/stable/c/3be945abdd228fd00f6afcf8d137002867a4651b","https://git.kernel.org/stable/c/5f9b329096596b7e53e07d041d7fca4cbe1be752","https://git.kernel.org/stable/c/8e53780732ee881394406f79da5263b81eb48f7e","https://git.kernel.org/stable/c/bc3c8d2493c6f4d2038844dc8b7ee93de050f7fa"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2026-23119","score":0.00134,"percentile":0.02891,"date":"2026-10-25"},"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."]}