CVE-2023-28642

Name: CVE-2023-28642
Creator: NVD / NIST
Published: 2023-03-29T19:15:22.397+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2023-28642 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.34%

26.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linuxfoundation	Runc	< 1.1.5

References

https://github.com/opencontainers/runc/pull/3785Patch
https://github.com/opencontainers/runc/security/advisories/GHSA-g2j6-57v7-gm8cPatch, Vendor Advisory
https://github.com/opencontainers/runc/pull/3785Patch
https://github.com/opencontainers/runc/security/advisories/GHSA-g2j6-57v7-gm8cPatch, Vendor Advisory
https://security.netapp.com/advisory/ntap-20241206-0005/

Timeline

Published: Mar 29, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-28642?

How severe is CVE-2023-28642?

CVE-2023-28642 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2023-28642?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-28642?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST