{"id":"CVE-2026-90283","state":"PUBLISHED","title":"hugetlbfs: release subpool on fill_super failure","description":"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.","publishedAt":"2026-09-17T16:08:13.356Z","updatedAt":"2026-10-19T09:01:01.727Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"f2d6cea221d777fab3ba18f805ba4c17c90e0b8b","versionType":"git"},{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"91c4f3a87862fd86594d5945512decbfa0b1d13d","versionType":"git"},{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"04f0354a4abf6793aa5b3f32e2b019ab206f344d","versionType":"git"},{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"5b7fc7a1ce2a5f2cd8ed80a883157c7108074e0b","versionType":"git"},{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"1d8be4ee81e73fcc52e58f47842d9a2277cfeaaa","versionType":"git"},{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"dfe848cadfde4179a0691da34f4bed36ff7185b5","versionType":"git"},{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"dc2bd517ac0bce4ec7498644bd16b6db502df8e2","versionType":"git"},{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"308ab73e97c87bd0e142b11758faab7f88d82854","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/hugetlbfs/inode.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.1","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/hugetlbfs/inode.c"]}],"references":["https://git.kernel.org/stable/c/f2d6cea221d777fab3ba18f805ba4c17c90e0b8b","https://git.kernel.org/stable/c/91c4f3a87862fd86594d5945512decbfa0b1d13d","https://git.kernel.org/stable/c/04f0354a4abf6793aa5b3f32e2b019ab206f344d","https://git.kernel.org/stable/c/5b7fc7a1ce2a5f2cd8ed80a883157c7108074e0b","https://git.kernel.org/stable/c/1d8be4ee81e73fcc52e58f47842d9a2277cfeaaa","https://git.kernel.org/stable/c/dfe848cadfde4179a0691da34f4bed36ff7185b5","https://git.kernel.org/stable/c/dc2bd517ac0bce4ec7498644bd16b6db502df8e2","https://git.kernel.org/stable/c/308ab73e97c87bd0e142b11758faab7f88d82854"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90283.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90283","state":"PUBLISHED","datePublished":"2026-09-17T16:08:13.356Z","dateUpdated":"2026-10-19T09:01:01.727Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.797Z"},"containers":{"cna":{"title":"hugetlbfs: release subpool on fill_super failure","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"f2d6cea221d777fab3ba18f805ba4c17c90e0b8b","versionType":"git"},{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"91c4f3a87862fd86594d5945512decbfa0b1d13d","versionType":"git"},{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"04f0354a4abf6793aa5b3f32e2b019ab206f344d","versionType":"git"},{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"5b7fc7a1ce2a5f2cd8ed80a883157c7108074e0b","versionType":"git"},{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"1d8be4ee81e73fcc52e58f47842d9a2277cfeaaa","versionType":"git"},{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"dfe848cadfde4179a0691da34f4bed36ff7185b5","versionType":"git"},{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"dc2bd517ac0bce4ec7498644bd16b6db502df8e2","versionType":"git"},{"version":"7ca02d0ae586fe7df59632966a64f3f1a756ef05","status":"affected","lessThan":"308ab73e97c87bd0e142b11758faab7f88d82854","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/hugetlbfs/inode.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.1","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/hugetlbfs/inode.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f2d6cea221d777fab3ba18f805ba4c17c90e0b8b"},{"url":"https://git.kernel.org/stable/c/91c4f3a87862fd86594d5945512decbfa0b1d13d"},{"url":"https://git.kernel.org/stable/c/04f0354a4abf6793aa5b3f32e2b019ab206f344d"},{"url":"https://git.kernel.org/stable/c/5b7fc7a1ce2a5f2cd8ed80a883157c7108074e0b"},{"url":"https://git.kernel.org/stable/c/1d8be4ee81e73fcc52e58f47842d9a2277cfeaaa"},{"url":"https://git.kernel.org/stable/c/dfe848cadfde4179a0691da34f4bed36ff7185b5"},{"url":"https://git.kernel.org/stable/c/dc2bd517ac0bce4ec7498644bd16b6db502df8e2"},{"url":"https://git.kernel.org/stable/c/308ab73e97c87bd0e142b11758faab7f88d82854"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:01:01.727Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}