In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: adding lock to protect encoder context list Add a lock for the ctx_list, to avoid accessing a NULL pointer within the 'vpu_enc_ipi_handler' function when the ctx_list has been deleted due to an unexpected behavior on the SCP IP block.
https://git.kernel.org/stable/c/afaaf3a0f647a24a7bf6a2145d8ade37baaf75ad
https://git.kernel.org/stable/c/51c84a8aac6e3b59af2b0e92ba63cabe2e641a2d
https://git.kernel.org/stable/c/41671f0c0182b2bae74ca7e3b0f155559e3e2fc5