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CVE-2025-38113

Description

In the Linux kernel, the following vulnerability has been resolved:ACPI: CPPC: Fix NULL pointer dereference when nosmp is usedWith nosmp in cmdline, other CPUs are not brought up, leavingtheir cpc_desc_ptr NULL. CPU0's iteration via for_each_possible_cpu()dereferences these NULL pointers, causing panic.Panic backtrace:[ 0.401123] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000b8...[ 0.403255] [] cppc_allow_fast_switch+0x6a/0xd4...Kernel panic - not syncing: Attempted to kill init![ rjw: New subject ]

POC

Reference

No PoCs from references.

Github

- https://github.com/w4zu/Debian_security