The vulnerability of the topology_parse_cpu_capacity() function in the drivers/base/arch_topology.c file of the Linux kernel allows a hacker to cause a service failure.

The vulnerability of the topologyparsecpucapacity function in the drivers/base/archtopology.c file of the Linux kernel is related to pointer arithmetic errors. Exploiting this vulnerability could allow an attacker to cause a system failure...

CVE-2025-40346: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: archtopology: Fix incorrect error check in topologyparsecpucapacity Fix incorrect use of PTRERRORZERO in topologyparsecpucapacity which causes the code to proceed with NULL clock pointers. The current logic uses !PTRERRORZEROcpuc...

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 the Linux kernel that stems from not properly handling the topologyparsecpucapacity return value, which could result in a null pointer...