ubifs: skip dumping tnc tree when zroot is null

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UBUNTU-CVE-2024-58058

In the Linux kernel, the following vulnerability has been resolved: ubifs: skip dumping tnc tree when zroot is null Clearing slab cache will free all znode in memory and make c-zroot.znode = NULL, then dumping tnc tree will access c-zroot.znode which cause null pointer dereference...

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 Linux kernel that stems from skipping the dump tnc tree when zroot is null, resulting in a null pointer dereference...