{"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":"2026-10-28T02:31:10.339172998Z","published":"2026-08-15T05:57:36.257Z","related":["SUSE-SU-2026:24179-1","SUSE-SU-2026:24181-1","SUSE-SU-2026:24182-1","SUSE-SU-2026:24184-1","SUSE-SU-2026:24197-1","SUSE-SU-2026:24235-1","SUSE-SU-2026:24315-1","SUSE-SU-2026:24316-1","SUSE-SU-2026:4640-1","SUSE-SU-2026:4706-1","openSUSE-SU-2026:22091-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74258.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2c387db784293256d35fd3d438f577cc82bb823d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4d87a251d45b4a95eb4c0abcfab809c9f231258a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a9f1395028c2bbe18e57864cc355c11faff488cb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c6d51ad36490013ee9df94a372d3bf794bd304d1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ff6c5ee77dcc98381290d16af53f6262625870a6"},{"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":"ff6c5ee77dcc98381290d16af53f6262625870a6"},{"fixed":"2c387db784293256d35fd3d438f577cc82bb823d"},{"fixed":"a9f1395028c2bbe18e57864cc355c11faff488cb"},{"fixed":"c6d51ad36490013ee9df94a372d3bf794bd304d1"},{"fixed":"4d87a251d45b4a95eb4c0abcfab809c9f231258a"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74258.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.6.0"},{"fixed":"6.6.158"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.111"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.53"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74258.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}