CVE-2023-54103 — Kernel vulnerability

In the Linux kernel, the following vulnerability has been resolved: media: mtk-jpeg: Fix use after free bug due to uncanceled work In mtk_jpeg_probe, &jpeg->job_timeout_work is bound with mtk_jpeg_job_timeout_work. Then mtk_jpeg_dec_device_run and mtk_jpeg_enc_device_run may be called to start the work. If we remove the module which will call mtk_jpeg_remove to make cleanup, there may be a unfinished work. The possible sequence is as follows, which will cause a typical UAF bug. Fix it by canc…