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().
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to < 3684e2273ba94553af3c5195a46a50214a1a96e3affectedebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to < 0662b1ff9b383d5a233d344e4dc518c27a17f7b8affectedebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to < 34fa4c1c6e10507dc60e35a82cc9655666946cfdaffectedebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to < a58593b501b7be5ad2bc5181bfa8cd4599be257caffectedebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to < f1c57f5b16bbc3571bd479c290996c4d4e1fb931affectedebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to < 4bcb371019097d0e357f097902587401c509bbc9affectedebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to < fc4fd0281ac80b5a3c5a2330f688f0f9d2a420b6affectedebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to < aa5e44b29ffe4eaa08cc2237fd65bc2596bc023eaffected
Linux Linux
Default version status: affected
4.18affected0 to < 4.18unaffected5.10.271 to ≤ 5.10.*unaffected5.15.222 to ≤ 5.15.*unaffected6.1.189 to ≤ 6.1.*unaffected6.6.158 to ≤ 6.6.*unaffected6.12.112 to ≤ 6.12.*unaffected6.18.55 to ≤ 6.18.*unaffected7.2.9 to ≤ 7.2.*unaffected7.3 to ≤ *unaffected
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 ↗