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

ALSA: compress: Fix task creation error unwind

snd_compr_task_new() allocates the driver task before validating the
returned DMA buffers and reserving file descriptors. When either of
those later steps fails, the core frees its task wrapper and DMA-buffer
references without calling the driver's task_free() callback. Any
driver resources allocated by task_create() are therefore leaked.

The dual-fd allocation path also jumps to cleanup without storing the
negative get_unused_fd_flags() result in retval. Since retval still
contains the successful task_create() return value, TASK_CREATE can
incorrectly report success although the task was discarded.

Preserve the fd allocation errors and call task_free() when failure
occurs after a successful task_create() callback.

References

• https://nvd.nist.gov/vuln/detail/CVE-2026-64485
• https://git.kernel.org/stable/c/426a9947a38d272d0e19c031658da68e31128667
• https://git.kernel.org/stable/c/4a60127debb9e370d6c0e22a307326b624a141f3
• https://git.kernel.org/stable/c/b27a75d42044d9d4709095617730b91b1c4af423