• CVE-2021-43056

发布时间: 2022年3月4日

修改时间: 2022年3月4日

概要

An issue was discovered in the Linux kernel for powerpc before 5.14.15. It allows a malicious KVM guest to crash the host, when the host is running on Power8, due to an arch/powerpc/kvm/book3s_hv_rmhandlers.S implementation bug in the handling of the SRR1 register values.

CVSS v3 指标

NVD openEuler
Confidentiality None None
Attack Vector Local Local
CVSS评分 5.5 6.5
Attack Complexity Low Low
Privileges Required Low Low
Scope Unchanged Changed
Integrity None None
User Interaction None None
Availability High High

安全公告

公告名 概要 发布时间
KylinSec-SA-2022-1144 An issue was discovered in the Linux kernel for powerpc before 5.14.15. It allows a malicious KVM guest to crash the host, when the host is running on Power8, due to an arch/powerpc/kvm/book3s_hv_rmhandlers.S implementation bug in the handling of the SRR1 register values. 2022年3月4日

影响产品

产品 状态
KY3.4-4A kernel Unaffected