• CVE-2021-47049

发布时间: 2024年3月29日

修改时间: 2024年12月14日

概要

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Use after free in __vmbus_open() The "open_info" variable is added to the &vmbus_connection.chn_msg_list, but the error handling frees "open_info" without removing it from the list. This will result in a use after free. First remove it from the list, and then free it.

CVSS v3 指标

NVD openEuler
Confidentiality High None
Attack Vector Local Local
CVSS评分 7.8 5.5
Attack Complexity Low Low
Privileges Required Low Low
Scope Unchanged Unchanged
Integrity High None
User Interaction None None
Availability High High

安全公告

公告名 概要 发布时间
KylinSec-SA-2024-4637 In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Use after free in __vmbus_open() The "open_info" variable is added to the &vmbus_connection.chn_msg_list, but the error handling frees "open_info" without removing it from the list. This will result in a use after free. First remove it from the list, and then free it. 2024年3月29日
KylinSec-SA-2024-4769 kernel security update 2024年3月29日

影响产品

产品 状态
KY3.4-4A kernel Fixed
KY3.4-5A kernel Fixed
KY3.5.1 kernel Unaffected
KY3.5.2 kernel Unaffected