Vulnerability record · CVE-2023-28642 · published 29 March 2023

CVE-2023-28642: Linuxfoundation runc link following vulnerability

Linuxfoundation · Runc

runc is a CLI tool for spawning and running containers according to the OCI specification. It was found that AppArmor can be bypassed when `/proc` inside the container is symlinked with a specific mount configuration. This issue has been fixed in runc version 1.1.5, by prohibiting symlinked `/proc`. See PR #3785 for details. users are advised to upgrade. Users unable to upgrade should avoid using an untrusted container image.

7.8 CVSS 3.1 High EPSS 0.34% · top 74.8% CWE-281 · CWE-281CWE-59 · Link following

7.8CVSS 3.1 base score

0.34%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

5References

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Runc Linuxfoundation

References

Link	Tags
https://github.com/opencontainers/runc/pull/3785	Patch
https://github.com/opencontainers/runc/security/advisories/GHSA-g2j6-57v7-gm8c	PatchVendor Advisory
https://github.com/opencontainers/runc/pull/3785	Patch
https://github.com/opencontainers/runc/security/advisories/GHSA-g2j6-57v7-gm8c	PatchVendor Advisory
https://security.netapp.com/advisory/ntap-20241206-0005/

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Source: NIST National Vulnerability Database (record CVE-2023-28642), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.