{"id":"CVE-2026-90283","summary":"hugetlbfs: release subpool on fill_super failure","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nhugetlbfs: release subpool on fill_super failure\n\nhugetlbfs_fill_super() allocates a hugepage subpool when size or min_size\nmount options are specified.  hugepage_new_subpool() may also reserve huge\npages for min_size.\n\nIf root dentry creation fails after the subpool is created, the failure\npath frees the subpool with kfree().  This bypasses hugepage_put_subpool()\nand can leave min_size reservations charged.\n\nUse hugepage_put_subpool() on the failure path, matching the normal\nput_super path.","modified":"2026-09-19T03:47:25.849471583Z","published":"2026-09-17T16:08:13.356Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90283.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/04f0354a4abf6793aa5b3f32e2b019ab206f344d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1d8be4ee81e73fcc52e58f47842d9a2277cfeaaa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/308ab73e97c87bd0e142b11758faab7f88d82854"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5b7fc7a1ce2a5f2cd8ed80a883157c7108074e0b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/91c4f3a87862fd86594d5945512decbfa0b1d13d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dc2bd517ac0bce4ec7498644bd16b6db502df8e2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dfe848cadfde4179a0691da34f4bed36ff7185b5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f2d6cea221d777fab3ba18f805ba4c17c90e0b8b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90283.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90283"},{"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":"7ca02d0ae586fe7df59632966a64f3f1a756ef05"},{"fixed":"f2d6cea221d777fab3ba18f805ba4c17c90e0b8b"},{"fixed":"91c4f3a87862fd86594d5945512decbfa0b1d13d"},{"fixed":"04f0354a4abf6793aa5b3f32e2b019ab206f344d"},{"fixed":"5b7fc7a1ce2a5f2cd8ed80a883157c7108074e0b"},{"fixed":"1d8be4ee81e73fcc52e58f47842d9a2277cfeaaa"},{"fixed":"dfe848cadfde4179a0691da34f4bed36ff7185b5"},{"fixed":"dc2bd517ac0bce4ec7498644bd16b6db502df8e2"},{"fixed":"308ab73e97c87bd0e142b11758faab7f88d82854"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90283.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"5.10.270"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.221"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.188"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.157"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.110"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"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-2026-90283.json"}}],"schema_version":"1.9.0"}