Linux Kernel Vulnerability Affecting Arm64 Architecture by Vendor Linux

CVE-2022-50232

What is CVE-2022-50232?

A vulnerability in the Linux kernel affects systems using the arm64 architecture by failing to set the User eXecute Never (UXN) on swapper Page Table Entries (PTEs). This can lead to kernel panics when attempting to access certain mappings, particularly in systems that implement the Feature Enhanced Page Table (FEAT_EPAN). The issue can potentially compromise system stability, emphasizing the need for timely application of the provided patch.

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