• CVE-2023-46838

发布时间: 2024年2月23日

修改时间: 2024年10月31日

概要

Transmit requests in Xen s virtual network protocol can consist ofmultiple parts. While not really useful, except for the initial partany of them may be of zero length, i.e. carry no data at all. Besides acertain initial portion of the to be transferred data, these parts aredirectly translated into what Linux calls SKB fragments. Such convertedrequest parts can, when for a particular SKB they are all of lengthzero, lead to a de-reference of NULL in core networking code.

CVSS v3 指标

NVD openEuler
Confidentiality None None
Attack Vector Network Network
CVSS评分 7.5 7.5
Attack Complexity Low Low
Privileges Required None None
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-2024-1484 kernel security update 2024年2月23日
KylinSec-SA-2024-1567 kernel security update 2024年2月23日

影响产品

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