CVE-2026-99068

Published: Ott 23, 2026 Last Modified: Ott 23, 2026
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Description

In the Linux kernel, the following vulnerability has been resolved:

ALSA: ctxfi: Fix memory leakage when clearing DAO input mappers

Commit e576e7843c0d ('ALSA: ctxfi: Simplify dao_clear_{left,right}_input() functions')
centralized the DAO input mapper clearing logic in
dao_clear_input(), but omitted the kfree() calls.

It removes the mapper entries from the list and sets their pointers
to NULL without freeing the allocated array. This leaks memory each
time dao_clear_input() is called.

Store the base pointer of the allocation before clearing the mapper
entries and free the array after removing entries from the list.

https://git.kernel.org/stable/c/0919d8dd19f92e12829055c75fced9a454d644bf
https://git.kernel.org/stable/c/593d46fc6af9a0178a46e77d6d24b20d2314165f
https://git.kernel.org/stable/c/f7dc71c1ce885f5d9f128037ebc75d9c0356e060