• CVE-2021-47358

发布时间: 2024年6月2日

修改时间: 2024年12月28日

概要

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: uart: fix tty use after free User space can hold a tty open indefinitely and tty drivers must not release the underlying structures until the last user is gone. Switch to using the tty-port reference counter to manage the life time of the greybus tty state to avoid use after free after a disconnect.

CVSS v3 指标

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

安全公告

公告名 概要 发布时间
KylinSec-SA-2024-2545 In the Linux kernel, the following vulnerability has been resolved: staging: greybus: uart: fix tty use after free User space can hold a tty open indefinitely and tty drivers must not release the underlying structures until the last user is gone. Switch to using the tty-port reference counter to manage the life time of the greybus tty state to avoid use after free after a disconnect. 2024年6月2日

影响产品

产品 状态
KY3.4-4A kernel Unaffected
KY3.4-5A kernel Unaffected
KY3.5.1 kernel Unaffected
KY3.5.2 kernel Unaffected
V6 kernel Unaffected