{"id":"CVE-2026-46284","summary":"mm/hugetlb: fix early boot crash on parameters without '=' separator","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/hugetlb: fix early boot crash on parameters without '=' separator\n\nIf hugepages, hugepagesz, or default_hugepagesz are specified on the\nkernel command line without the '=' separator, early parameter parsing\npasses NULL to hugetlb_add_param(), which dereferences it in strlen() and\ncan crash the system during early boot.\n\nReject NULL values in hugetlb_add_param() and return -EINVAL instead.","modified":"2026-06-18T03:54:32.849720350Z","published":"2026-06-08T15:41:27.467Z","related":["openSUSE-SU-2026:11014-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46284.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2774bcf714739cc6bb86f8812167bb9fbda70f6a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/357c6d084b6137ae640209c5bfd01180f985c015"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c45b354911d01565156e38d7f6bc07edb51fc34c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46284.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46284"},{"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":"5b47c02967ab770aa7661c8863a21b2fd59e35ff"},{"fixed":"2774bcf714739cc6bb86f8812167bb9fbda70f6a"},{"fixed":"357c6d084b6137ae640209c5bfd01180f985c015"},{"fixed":"c45b354911d01565156e38d7f6bc07edb51fc34c"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46284.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.15.0"},{"fixed":"6.18.27"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46284.json"}}],"schema_version":"1.7.5"}