{"id":"CVE-2026-98553","summary":"autofs: fix sbi-\u003epipe file reference leak in autofs_kill_sb()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nautofs: fix sbi-\u003epipe 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() -\u003e autofs_catatonic_mode(sbi).\n\nBecause AUTOFS_SBI_CATATONIC is still set in sbi-\u003eflags,\nautofs_catatonic_mode() returns early without calling fput(sbi-\u003epipe),\npermanently leaking the pipe struct file reference.\n\nExplicitly release sbi-\u003epipe in autofs_kill_sb() if it is still non-NULL\nafter autofs_catatonic_mode().","modified":"2026-10-20T02:31:05.896993114Z","published":"2026-10-18T15:18:20.728Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98553.json"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/0662b1ff9b383d5a233d344e4dc518c27a17f7b8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/34fa4c1c6e10507dc60e35a82cc9655666946cfd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3684e2273ba94553af3c5195a46a50214a1a96e3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4bcb371019097d0e357f097902587401c509bbc9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a58593b501b7be5ad2bc5181bfa8cd4599be257c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/aa5e44b29ffe4eaa08cc2237fd65bc2596bc023e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f1c57f5b16bbc3571bd479c290996c4d4e1fb931"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fc4fd0281ac80b5a3c5a2330f688f0f9d2a420b6"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98553.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98553"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7"},{"fixed":"3684e2273ba94553af3c5195a46a50214a1a96e3"},{"fixed":"0662b1ff9b383d5a233d344e4dc518c27a17f7b8"},{"fixed":"34fa4c1c6e10507dc60e35a82cc9655666946cfd"},{"fixed":"a58593b501b7be5ad2bc5181bfa8cd4599be257c"},{"fixed":"f1c57f5b16bbc3571bd479c290996c4d4e1fb931"},{"fixed":"4bcb371019097d0e357f097902587401c509bbc9"},{"fixed":"fc4fd0281ac80b5a3c5a2330f688f0f9d2a420b6"},{"fixed":"aa5e44b29ffe4eaa08cc2237fd65bc2596bc023e"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98553.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.18.0"},{"fixed":"5.10.271"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.222"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.189"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.158"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.112"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.55"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98553.json"}}],"schema_version":"1.9.0"}