CVE-2022-49483 drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit

In the Linux kernel, the following vulnerability has been resolved: drm/msm/disp/dpu1: avoid clearing hw interrupts if hwintr is null during drm uninit If edp modeset init is failed due to panel being not ready and probe defers during drm bind, avoid clearing irqs and dereference hwintr when hwin...

CVE-2022-49483

CVE-2022-49483 affects the Linux kernel code path for DRM MSM Display (drm/msm/disp/dpu1). The issue is a NULL pointer dereference that can occur when uninitializing DRM, specifically if hw_intr is NULL and the driver clears interrupts during drm uninit or during probe/bind failure paths, leading...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an unsolicited IRQ being released in the msmdrmuninit function...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that originates from the clearing of a hardware interrupt during drm uninit when hwintr is empty...

GSD-2022-1003127 drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit

drm/msm/disp/dpu1: avoid clearing hw interrupts if hwintr is null during drm uninit This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.17.14 by...