CVE-2023-0386—Linux Kernel Improper Ownership Management Vulnerability

漏洞名称

Linux Kernel Improper Ownership Management Vulnerability

描述

Linux Kernel contains an improper ownership management vulnerability, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.

已知用于勒索软件活动吗？

勒索软件状态：

Unknown

采集行动

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

其他说明

• This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a
• https://access.redhat.com/security/cve/cve-2023-0386
• https://security.netapp.com/advisory/ntap-20230420-0004/
• https://nvd.nist.gov/vuln/detail/CVE-2023-0386

相关新闻文章

• CISA warns of attackers exploiting Linux flaw with PoC exploitJune 18, 2025
• CISA Warns of Active Exploitation of Linux Kernel Privilege Escalation VulnerabilityJune 18, 2025

相关 CWE

• CWE-282