{"id":"CVE-2026-74258","revision":"1c170184c5134eb3b2cdd40dae986d09","records":[{"revision":"1c170184c5134eb3b2cdd40dae986d09","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-74258","aliases":[],"title":"bpf: Guard __get_user acesss with access_ok for uprobe_multi data","description":"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/","state":0,"publishedAt":"2026-08-15T05:57:36.257+00:00","modifiedAt":"2026-10-16T18:55:28.406+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"kernel/trace/bpf_trace.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"89ae89f53d201143560f1e9ed4bfa62eee34f88e\",\n                            \"lessThan\": \"ff6c5ee77dcc98381290d16af53f6262625870a6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"89ae89f53d201143560f1e9ed4bfa62eee34f88e\",\n                            \"lessThan\": \"2c387db784293256d35fd3d438f577cc82bb823d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"89ae89f53d201143560f1e9ed4bfa62eee34f88e\",\n                            \"lessThan\": \"a9f1395028c2bbe18e57864cc355c11faff488cb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"89ae89f53d201143560f1e9ed4bfa62eee34f88e\",\n                            \"lessThan\": \"c6d51ad36490013ee9df94a372d3bf794bd304d1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"89ae89f53d201143560f1e9ed4bfa62eee34f88e\",\n                            \"lessThan\": \"4d87a251d45b4a95eb4c0abcfab809c9f231258a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"kernel/trace/bpf_trace.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.6\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.6\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.111\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.53\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.5\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/ff6c5ee77dcc98381290d16af53f6262625870a6","https://git.kernel.org/stable/c/2c387db784293256d35fd3d438f577cc82bb823d","https://git.kernel.org/stable/c/a9f1395028c2bbe18e57864cc355c11faff488cb","https://git.kernel.org/stable/c/c6d51ad36490013ee9df94a372d3bf794bd304d1","https://git.kernel.org/stable/c/4d87a251d45b4a95eb4c0abcfab809c9f231258a"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74258","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-74258","identifiers":["CVE-2026-74258"]},"retained":false,"historicalAffected":[]}],"coverage":[]}