{"id":"CVE-2026-92486","summary":"bpf: Fix CFI mismatch in task work callback","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix CFI mismatch in task work callback\n\nBPF subprograms use the bpf_callback_t ABI, but task work invokes the\ncallback through a three-argument function pointer. This trips kCFI.\n\nStore and invoke the callback as bpf_callback_t.","modified":"2026-09-19T03:47:29.405622116Z","published":"2026-09-17T16:10:01.654Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92486.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2805abd089576799b15092949420e3f8ba97fabd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/85a33c910edc3651f68b17ae3c597c012545958f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a2cbab47f44e9ea8c5a161ecba1b6bb8535771eb"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92486.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92486"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"38aa7003e369802f81a078f6673d10d97013f04f"},{"fixed":"85a33c910edc3651f68b17ae3c597c012545958f"},{"fixed":"a2cbab47f44e9ea8c5a161ecba1b6bb8535771eb"},{"fixed":"2805abd089576799b15092949420e3f8ba97fabd"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92486.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.18.0"},{"fixed":"6.18.52"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92486.json"}}],"schema_version":"1.9.0"}