CVE-2023-0386

CVE-2023-0386

Vendor N/A
Product Kernel
Weakness CWE-282
KEV Status Known Exploited
Published March 22, 2023
Last update October 21, 2025
View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

A flaw was found in the Linux kernel, 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 mandated remediation

02CISA 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.

Key dates

03Disclosure timeline

March 22, 2023 CVE published
October 21, 2025 Record updated

External resources

04References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-0386 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/282.html CISA KEV Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux… CISA KEV Reference https://access.redhat.com/security/cve/cve-2023-0386 CISA KEV Reference https://security.netapp.com/advisory/ntap-20230420-0004/ CISA KEV Reference https://nvd.nist.gov/vuln/detail/CVE-2023-0386