• CVE-2021-47194

发布时间: 2024年5月10日

修改时间: 2024年10月31日

概要

In the Linux kernel, the following vulnerability has been resolved:cfg80211: call cfg80211_stop_ap when switch from P2P_GO typeIf the userspace tools switch from NL80211_IFTYPE_P2P_GO toNL80211_IFTYPE_ADHOC via send_msg(NL80211_CMD_SET_INTERFACE), itdoes not call the cleanup cfg80211_stop_ap(), this leads to theinitialization of in-use data. For example, this path re-init thesdata->assigned_chanctx_list while it is still an element ofassigned_vifs list, and makes that linked list corrupt.

CVSS v3 指标

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

安全公告

公告名 概要 发布时间
KylinSec-SA-2024-4775 kernel security update 2025年2月17日

影响产品

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