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

crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY

Since commit 8f4f68e788c3 ("crypto: pcrypt - Fix hungtask for
PADATA_RESET"), the pcrypt encryption and decryption operations return
-EAGAIN when the CPU goes online or offline. In alg_test(), a WARN is
generated when pcrypt_aead_decrypt() or pcrypt_aead_encrypt() returns
-EAGAIN, the unnecessary panic will occur when panic_on_warn set 1.
Fix this issue by calling crypto layer directly without parallelization
in that case.

References

• https://nvd.nist.gov/vuln/detail/CVE-2024-56690
• https://git.kernel.org/stable/c/5edae7a9a35606017ee6e05911c290acee9fee5a
• https://git.kernel.org/stable/c/662f2f13e66d3883b9238b0b96b17886179e60e2
• https://git.kernel.org/stable/c/7ddab756f2de5b7b43c122ebebdf37f400fb2b6f
• https://git.kernel.org/stable/c/92834692a539b5b7f409e467a14667d64713b732
• https://git.kernel.org/stable/c/96001f52ae8c70e2c736d3e1e5dc53d5b521e5ca
• https://git.kernel.org/stable/c/a8e0074ffb38c9a5964a221bb998034d016c93a2
• https://git.kernel.org/stable/c/a92ccd3618e42333ac6f150ecdac14dca298bc7a
• https://git.kernel.org/stable/c/dd8bf8eb5beba1e7c3b11a9a5a58ccbf345a69e6
• https://git.kernel.org/stable/c/fca8aed12218f96b38e374ff264d78ea1fbd23cc