platform/x86: think-lmi: Free system certificate signatures

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Multi-certificate support also allows the system authentication object
to store ->signature and ->save_signature, which leak when the driver is
removed. Free the signatures to avoid leaking memory.

Fixes: 5dcb5ef125 ("platform/x86: think-lmi: Multi-certificate support")
Cc: stable@vger.kernel.org
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://patch.msgid.link/20260810204106.165895-2-thorsten.blum@linux.dev
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

...

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Thorsten Blum 2026-08-10 22:41:07 +02:00 • committed by Ilpo Järvinen

parent 3de2776e9d

commit abca989604

No known key found for this signature in database

GPG key ID: 59AC4F6153E5CE31

1 changed files with 4 additions and 0 deletions

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drivers/platform/x86/lenovo/think-lmi.c

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