CVE-2023-53205

CVE-2023-53205 affects the Linux kernel KVM on s390, specifically the diag 9c handler where a race exists around the target CPU value (-1). The fix stores the physical target CPU in a local variable to prevent out-of-bounds accesses to CPU arrays. The CVE’s risk is described as high (CVSS v3.1: A...

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 locking physical CPU numbers, which could lead to out-of-bounds access to arrays...