• CVE-2021-47407

发布时间: 2024年6月13日

修改时间: 2025年4月18日

概要

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Handle SRCU initialization failure during page track init Check the return of init_srcu_struct(), which can fail due to OOM, when initializing the page track mechanism. Lack of checking leads to a NULL pointer deref found by a modified syzkaller. [Move the call towards the beginning of kvm_arch_init_vm. - Paolo]

CVSS v3 指标

NVD openEuler
Confidentiality None None
Attack Vector Local Local
CVSS评分 5.5 4.7
Attack Complexity Low High
Privileges Required Low Low
Scope Unchanged Unchanged
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-2024-2718 In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Handle SRCU initialization failure during page track init Check the return of init_srcu_struct(), which can fail due to OOM, when initializing the page track mechanism. Lack of checking leads to a NULL pointer deref found by a modified syzkaller. [Move the call towards the beginning of kvm_arch_init_vm. - Paolo] 2024年6月13日

影响产品

产品 状态
KY3.4-5A kernel Fixed
KY3.5.2 kernel Unaffected
V6 kernel Unaffected