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 a debug register in the drm/vc4:hdmi module that may cause the system to hang when it hangs...

UBUNTU-CVE-2022-48852

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: hdmi: Unregister codec device on unbind On bind we will register the HDMI codec device but we don't unregister it on unbind, leading to a device leakage. Unregister our device at unbind...

CVE-2022-48852

The CVE (CVE-2022-48852) affects the Linux kernel DRM/VC4 HDMI driver. The issue arises because the HDMI codec device is registered on bind but not unregistered on unbind, causing a device leak. Root cause: unbind path does not unregister the HDMI codec device, leaving orphaned device state. The ...