CVEvulnerability
CVE-2026-98553
- Status
- Received
- Published
- 2026-10-18
- Last modified
- 2026-10-19
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Description
In the Linux kernel, the following vulnerability has been resolved:
autofs: fix sbi->pipe file reference leak in autofs_kill_sb()
When autofs_fill_super() fails before clearing AUTOFS_SBI_CATATONIC (for
example, when find_get_pid() fails on an invalid pgrp mount option, or
when an fs_context is closed before mounting), deactivate_locked_super()
invokes autofs_kill_sb() -> autofs_catatonic_mode(sbi).
Because AUTOFS_SBI_CATATONIC is still set in sbi->flags,
autofs_catatonic_mode() returns early without calling fput(sbi->pipe),
permanently leaking the pipe struct file reference.
Explicitly release sbi->pipe in autofs_kill_sb() if it is still non-NULL
after autofs_catatonic_mode().
References
- https://git.kernel.org/stable/c/0662b1ff9b383d5a233d344e4dc518c27a17f7b8 git.kernel.org
- https://git.kernel.org/stable/c/34fa4c1c6e10507dc60e35a82cc9655666946cfd git.kernel.org
- https://git.kernel.org/stable/c/3684e2273ba94553af3c5195a46a50214a1a96e3 git.kernel.org
- https://git.kernel.org/stable/c/4bcb371019097d0e357f097902587401c509bbc9 git.kernel.org
- https://git.kernel.org/stable/c/a58593b501b7be5ad2bc5181bfa8cd4599be257c git.kernel.org
- https://git.kernel.org/stable/c/aa5e44b29ffe4eaa08cc2237fd65bc2596bc023e git.kernel.org
- https://git.kernel.org/stable/c/f1c57f5b16bbc3571bd479c290996c4d4e1fb931 git.kernel.org
- https://git.kernel.org/stable/c/fc4fd0281ac80b5a3c5a2330f688f0f9d2a420b6 git.kernel.org