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Fencer Vulns
medium 6.5

CVE-2024-36621 json

Moby Race Condition vulnerability

published 2024-11-29 23 mo ago modified 2026-09-10 59 d ago also EUVD-2024-3400 , GHSA-2mj3-vfvx-fc43 , GO-2024-3304

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

moby v25.0.5 is affected by a Race Condition in builder/builder-next/adapters/snapshot/layer.go. The vulnerability could be used to trigger concurrent builds that call the EnsureLayer function resulting in resource leaks/exhaustion.

Patch / fix

  • go github.com/moby/moby 26.0.0, 26.0.0+incompatible
  • docker docker 23.0.11, 25.0.5, 26.0.0-rc2
  • mobyproject moby 23.0.11, 25.0.5, 26.0.0-rc2
  • docker.io Debian 14, Debian 13 26.1.4+dfsg1-9

debian advisories DEBIAN-CVE-2024-36621

  • docker.io-app Ubuntu 22.04 LTS 27.5.1-0ubuntu3~22.04.2
  • docker.io-app Ubuntu 24.04 LTS 27.5.1-0ubuntu3~24.04.2
  • docker.io Ubuntu Pro 18.04 LTS 20.10.21-0ubuntu1~18.04.3+esm3
  • docker.io Ubuntu Pro 20.04 LTS 20.10.21-0ubuntu1~20.04.6+esm2
  • docker.io Ubuntu Pro 22.04 LTS 20.10.21-0ubuntu1~22.04.7+esm2
  • docker.io Ubuntu Pro 24.04 LTS 20.10.25+dfsg1-2ubuntu1+esm2
  • docker.io-app Ubuntu Pro 20.04 LTS 26.1.3-0ubuntu1~20.04.1+esm1

ubuntu advisories UBUNTU-CVE-2024-36621

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20241209T183251-1.1

opensuse advisories openSUSE-SU-2024:14567-1

  • moby-engine Azure Linux 3.0 25.0.3-9
  • moby-engine CBL-Mariner 2.0 24.0.9-13

azure linux advisories AZL-53810AZL-53813

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-36621 updated cvss 5.3

moby: Race Condition in Moby's Snapshot Layer Handling

  • Red Hat Multicluster Engine for Kubernetes multicluster-engine/agent-service-rhel8, multicluster-engine/assisted-service-8-rhel8, multicluster-engine/assisted-service-9-rhel9 Red Hat OpenShift Service Mesh 2 openshift-service-mesh/istio-rhel8-operator Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/acm-grafana-rhel8 Red Hat Ceph Storage 5 rhceph/rhceph-5-dashboard-rhel8 Red Hat Ceph Storage 6 rhceph/rhceph-6-dashboard-rhel9 Red Hat Ceph Storage 7 rhceph/grafana-rhel9
    +1 more products
    Red Hat OpenShift Container Platform 4 openshift4/ose-console, openshift4/ose-agent-installer-api-server-rhel9
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
go github.com/moby/moby
<26.0.0
<26.0.0+incompatible
26.0.0
26.0.0+incompatible

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.