{"id":"CVE-2026-98553","state":"PUBLISHED","title":"autofs: fix sbi->pipe file reference leak in autofs_kill_sb()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nautofs: fix sbi->pipe file reference leak in autofs_kill_sb()\n\nWhen autofs_fill_super() fails before clearing AUTOFS_SBI_CATATONIC (for\nexample, when find_get_pid() fails on an invalid pgrp mount option, or\nwhen an fs_context is closed before mounting), deactivate_locked_super()\ninvokes autofs_kill_sb() -> autofs_catatonic_mode(sbi).\n\nBecause AUTOFS_SBI_CATATONIC is still set in sbi->flags,\nautofs_catatonic_mode() returns early without calling fput(sbi->pipe),\npermanently leaking the pipe struct file reference.\n\nExplicitly release sbi->pipe in autofs_kill_sb() if it is still non-NULL\nafter autofs_catatonic_mode().","publishedAt":"2026-10-18T15:18:20.728Z","updatedAt":"2026-10-19T09:21:36.247Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"3684e2273ba94553af3c5195a46a50214a1a96e3","versionType":"git"},{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"0662b1ff9b383d5a233d344e4dc518c27a17f7b8","versionType":"git"},{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"34fa4c1c6e10507dc60e35a82cc9655666946cfd","versionType":"git"},{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"a58593b501b7be5ad2bc5181bfa8cd4599be257c","versionType":"git"},{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"f1c57f5b16bbc3571bd479c290996c4d4e1fb931","versionType":"git"},{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"4bcb371019097d0e357f097902587401c509bbc9","versionType":"git"},{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"fc4fd0281ac80b5a3c5a2330f688f0f9d2a420b6","versionType":"git"},{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"aa5e44b29ffe4eaa08cc2237fd65bc2596bc023e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/autofs/inode.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.18","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","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/autofs/inode.c"]}],"references":["https://git.kernel.org/stable/c/3684e2273ba94553af3c5195a46a50214a1a96e3","https://git.kernel.org/stable/c/0662b1ff9b383d5a233d344e4dc518c27a17f7b8","https://git.kernel.org/stable/c/34fa4c1c6e10507dc60e35a82cc9655666946cfd","https://git.kernel.org/stable/c/a58593b501b7be5ad2bc5181bfa8cd4599be257c","https://git.kernel.org/stable/c/f1c57f5b16bbc3571bd479c290996c4d4e1fb931","https://git.kernel.org/stable/c/4bcb371019097d0e357f097902587401c509bbc9","https://git.kernel.org/stable/c/fc4fd0281ac80b5a3c5a2330f688f0f9d2a420b6","https://git.kernel.org/stable/c/aa5e44b29ffe4eaa08cc2237fd65bc2596bc023e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98553.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98553","state":"PUBLISHED","datePublished":"2026-10-18T15:18:20.728Z","dateUpdated":"2026-10-19T09:21:36.247Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.356Z"},"containers":{"cna":{"title":"autofs: fix sbi->pipe file reference leak in autofs_kill_sb()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nautofs: fix sbi->pipe file reference leak in autofs_kill_sb()\n\nWhen autofs_fill_super() fails before clearing AUTOFS_SBI_CATATONIC (for\nexample, when find_get_pid() fails on an invalid pgrp mount option, or\nwhen an fs_context is closed before mounting), deactivate_locked_super()\ninvokes autofs_kill_sb() -> autofs_catatonic_mode(sbi).\n\nBecause AUTOFS_SBI_CATATONIC is still set in sbi->flags,\nautofs_catatonic_mode() returns early without calling fput(sbi->pipe),\npermanently leaking the pipe struct file reference.\n\nExplicitly release sbi->pipe in autofs_kill_sb() if it is still non-NULL\nafter autofs_catatonic_mode()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"3684e2273ba94553af3c5195a46a50214a1a96e3","versionType":"git"},{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"0662b1ff9b383d5a233d344e4dc518c27a17f7b8","versionType":"git"},{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"34fa4c1c6e10507dc60e35a82cc9655666946cfd","versionType":"git"},{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"a58593b501b7be5ad2bc5181bfa8cd4599be257c","versionType":"git"},{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"f1c57f5b16bbc3571bd479c290996c4d4e1fb931","versionType":"git"},{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"4bcb371019097d0e357f097902587401c509bbc9","versionType":"git"},{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"fc4fd0281ac80b5a3c5a2330f688f0f9d2a420b6","versionType":"git"},{"version":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7","status":"affected","lessThan":"aa5e44b29ffe4eaa08cc2237fd65bc2596bc023e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/autofs/inode.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.18","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","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/autofs/inode.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3684e2273ba94553af3c5195a46a50214a1a96e3"},{"url":"https://git.kernel.org/stable/c/0662b1ff9b383d5a233d344e4dc518c27a17f7b8"},{"url":"https://git.kernel.org/stable/c/34fa4c1c6e10507dc60e35a82cc9655666946cfd"},{"url":"https://git.kernel.org/stable/c/a58593b501b7be5ad2bc5181bfa8cd4599be257c"},{"url":"https://git.kernel.org/stable/c/f1c57f5b16bbc3571bd479c290996c4d4e1fb931"},{"url":"https://git.kernel.org/stable/c/4bcb371019097d0e357f097902587401c509bbc9"},{"url":"https://git.kernel.org/stable/c/fc4fd0281ac80b5a3c5a2330f688f0f9d2a420b6"},{"url":"https://git.kernel.org/stable/c/aa5e44b29ffe4eaa08cc2237fd65bc2596bc023e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:21:36.247Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.18.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"7.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}