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CVE-2024-53228

Description

In the Linux kernel, the following vulnerability has been resolved:riscv: kvm: Fix out-of-bounds array accessIn kvm_riscv_vcpu_sbi_init() the entry->ext_idx can contain anout-of-bound index. This is used as a special marker for the baseextensions, that cannot be disabled. However, when traversing theextensions, that special marker is not checked prior indexing thearray.Add an out-of-bounds check to the function.

POC

Reference

No PoCs from references.

Github

- https://github.com/cku-heise/euvd-api-doc