Linux Kernel Improper Ownership Management Vulnerability

Description

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.

Required Action

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

References

• 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

Additional Information

Catalog Version

2025.06.17

Catalog Released

June 17, 2025

Days Until Due

0 days

Last Updated

3 months ago