CVE-2023-0386

CISA KEV
ACT NOW Priority: 0.00 BB Relevance: 2/100
Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

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.

CISA Known Exploited Vulnerability

Vendor / Product Linux — Kernel
Date Added 2025-06-17
Remediation Due 2025-07-08
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

Bug Bounty Relevance

2 / 100
✓ Known exploited (KEV)

CVSS Score

Unscored

EPSS — Exploitation Probability

7.88%
Raw Score 0.078800
Percentile 94.7%
Date 2026-10-28

Intelligence Sources

kev ref →