CVE-2024-56577 in Linux
摘要
由 VulDB • 2026-06-04
在 Linux 内核中，已修复以下漏洞：
media: mtk-jpeg: 修复卸载模块期间的 null-ptr-deref（空指针解引用）问题
自 commit 09aea13ecf6f ("media: mtk-jpeg: refactor some variables") 以来，应在 mtk_jpeg_core.c 中销毁 workqueue，否则容易触发以下调用跟踪信息：
[ 677.862514] Unable to handle kernel paging request at virtual address dfff800000000023
[ 677.863633] KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f]
... [ 677.879654] CPU: 6 PID: 1071 Comm: modprobe Tainted: G O 6.8.12-mtk+gfa1a78e5d24b+ #17
... [ 677.882838] pc : destroy_workqueue+0x3c/0x770
[ 677.883413] lr : mtk_jpegdec_destroy_workqueue+0x70/0x88 [mtk_jpeg_dec_hw]
[ 677.884314] sp : ffff80008ad974f0
[
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