Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - riscv: ftrace: Fixed a panic caused by preemption being disabled. In RISCV, we need to use an AUIPC + JALR pair to encode an immediate jump, creating a jump to an address beyond 4K. This may cause errors if we want to enable...

CVE-2023-53694

CVE-2023-53694 concerns a Linux kernel RISCV ftrace issue where enabling preemption could cause a jump to an address with mixed XLEN:12 bits, due to an AUIPC + JALR sequence. The vulnerability arises in the dynamic ftrace prologue when switching tasks and potentially changing the ftrace function ...