{"id":"CVE-2026-23119","title":"bonding: provide a net pointer to __skb_flow_dissect()","summary":"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 …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 58deb77cc52da9360d20676e68dd215742cbe473 < 8e53780732ee881394406f79da5263b81eb48f7e","Linux >= 58deb77cc52da9360d20676e68dd215742cbe473 < 3be945abdd228fd00f6afcf8d137002867a4651b","Linux >= 58deb77cc52da9360d20676e68dd215742cbe473 < f4faaa1297ecf3255a8591fff2633df05bd5ec84","Linux >= 58deb77cc52da9360d20676e68dd215742cbe473 < 0efee0b992f28bd5ee01c7a86ef6a307c42eb907","Linux >= 58deb77cc52da9360d20676e68dd215742cbe473 < bc3c8d2493c6f4d2038844dc8b7ee93de050f7fa","Linux >= 58deb77cc52da9360d20676e68dd215742cbe473 < de97735a40a144974bf3896ee4cc0270db2e47db","Linux >= 58deb77cc52da9360d20676e68dd215742cbe473 < 5f9b329096596b7e53e07d041d7fca4cbe1be752","Linux 5.5"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-06-10T20:40:46.406465Z"},"published":"2026-02-14","updated":"2026-10-19","sourceUpdated":"2026-10-19T18:25:31.818Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-23119","references":[{"url":"https://git.kernel.org/stable/c/8e53780732ee881394406f79da5263b81eb48f7e"},{"url":"https://git.kernel.org/stable/c/3be945abdd228fd00f6afcf8d137002867a4651b"},{"url":"https://git.kernel.org/stable/c/f4faaa1297ecf3255a8591fff2633df05bd5ec84"},{"url":"https://git.kernel.org/stable/c/0efee0b992f28bd5ee01c7a86ef6a307c42eb907"},{"url":"https://git.kernel.org/stable/c/bc3c8d2493c6f4d2038844dc8b7ee93de050f7fa"},{"url":"https://git.kernel.org/stable/c/de97735a40a144974bf3896ee4cc0270db2e47db"},{"url":"https://git.kernel.org/stable/c/5f9b329096596b7e53e07d041d7fca4cbe1be752"}],"tags":["cve.org"],"epss":0.00134,"epssPercentile":0.02574,"ingestedAt":"2026-10-19T18:35:50.102Z","slug":"CVE-2026-23119","body":"## Overview\n\nIn 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\n\n## Affected\n\n- `Linux >= 58deb77cc52da9360d20676e68dd215742cbe473 < 8e53780732ee881394406f79da5263b81eb48f7e`\n- `Linux >= 58deb77cc52da9360d20676e68dd215742cbe473 < 3be945abdd228fd00f6afcf8d137002867a4651b`\n- `Linux >= 58deb77cc52da9360d20676e68dd215742cbe473 < f4faaa1297ecf3255a8591fff2633df05bd5ec84`\n- `Linux >= 58deb77cc52da9360d20676e68dd215742cbe473 < 0efee0b992f28bd5ee01c7a86ef6a307c42eb907`\n- `Linux >= 58deb77cc52da9360d20676e68dd215742cbe473 < bc3c8d2493c6f4d2038844dc8b7ee93de050f7fa`\n- `Linux >= 58deb77cc52da9360d20676e68dd215742cbe473 < de97735a40a144974bf3896ee4cc0270db2e47db`\n- `Linux >= 58deb77cc52da9360d20676e68dd215742cbe473 < 5f9b329096596b7e53e07d041d7fca4cbe1be752`\n- `Linux 5.5`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}