{"id":"CVE-2026-74258","summary":"bpf: Guard __get_user acesss with access_ok for uprobe_multi data","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Guard __get_user acesss with access_ok for uprobe_multi data\n\nAs reported by sashiko [1] we need to use access_ok to check the user\nspace data bounds before we use __get-user to get it.\n\n[1] https://lore.kernel.org/bpf/20260610145235.CB1441F00893@smtp.kernel.org/","modified":"2026-08-18T04:17:30.567686542Z","published":"2026-08-15T05:57:36.257Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74258.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/4d87a251d45b4a95eb4c0abcfab809c9f231258a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c6d51ad36490013ee9df94a372d3bf794bd304d1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74258.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74258"},{"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":"89ae89f53d201143560f1e9ed4bfa62eee34f88e"},{"fixed":"c6d51ad36490013ee9df94a372d3bf794bd304d1"},{"fixed":"4d87a251d45b4a95eb4c0abcfab809c9f231258a"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-74258.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.6.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-74258.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}