• CVE-2021-27854

发布时间: 2022年11月11日

修改时间: 2022年11月11日

概要

Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using combinations of VLAN 0 headers, LLC/SNAP headers, and converting frames from Ethernet to Wifi and its reverse.

CVSS v3 指标

NVD openEuler
CVSS评分 4.7 4.7
Attack Vector Adjacent Adjacent
Attack Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Changed Changed
Confidentiality None None
Integrity Low Low
Availability None None

安全公告

公告名 概要 发布时间
KylinSec-SA-2022-2597 Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using combinations of VLAN 0 headers, LLC/SNAP headers, and converting frames from Ethernet to Wifi and its reverse. 2022年11月11日

影响产品

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