CVE-2025-64329: containerd — Fix

Description

containerd is an open-source container runtime. Versions 1.7.28 and below, 2.0.0-beta.0 through 2.0.6, 2.1.0-beta.0 through 2.1.4, and 2.2.0-beta.0 through 2.2.0-rc.1 contain a bug in the CRI Attach implementation where a user can exhaust memory on the host due to goroutine leaks. This issue is fixed in versions 1.7.29, 2.0.7, 2.1.5 and 2.2.0. To workaround this vulnerability, users can set up an admission controller to control accesses to pods/attach resources.

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CVSS v3.1 Score

5.5

MEDIUM

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

Weakness Type (CWE)

CWE-401 CWE-401

Affected Products

Vendor	Product	Versions
linuxfoundation	containerd	< 1.7.29
linuxfoundation	containerd	2.0.0 — 2.0.7
linuxfoundation	containerd	2.1.0 — 2.1.5
linuxfoundation	containerd	All
linuxfoundation	containerd	All
linuxfoundation	containerd	All
linuxfoundation	containerd	All
linuxfoundation	containerd	All

References

Advisories & Patches

https://github.com/containerd/containerd/commit/083b53cd6f19b5de7717b0ce92c11bdf95e612df https://github.com/containerd/containerd/security/advisories/GHSA-m6hq-p25p-ffr2

Frequently Asked Questions

What is CVE-2025-64329? +

containerd is an open-source container runtime. Versions 1.7.28 and below, 2.0.0-beta.0 through 2.0.6, 2.1.0-beta.0 through 2.1.4, and 2.2.0-beta.0 through 2.2.0-rc.1 contain a bug in the CRI Attach implementation where a user can exhaust memory on the host due to goroutine leaks. This issue is fixed in versions 1.7.29, 2.0.7, 2.1.5 and 2.2.0. To workaround this vulnerability, users can set up an admission controller to control accesses to pods/attach resources. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-64329? +

CVE-2025-64329 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-64329? +

CVE-2025-64329 affects products from linuxfoundation, specifically: containerd. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-64329? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-64329