CVE-2024-3056: A flaw was found in Podman

This month

HIGH 7.7WATCHLISTUPGRADEDOWNGRADEMITIGATE

CVE-2024-3056 is a high-severity flaw (CVSS 7.7) affecting podman, openshift container platform, enterprise linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A flaw was found in Podman. This issue may allow an attacker to create a specially crafted container that, when configured to share the same IPC with at least one other container, can create a large number of IPC resources in /dev/shm. The malicious container will continue to exhaust resources until it is out-of-memory (OOM) killed. While the malicious container's cgroup will be removed, the IPC resources it created are not. Those resources are t

Why this priority

High severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.7 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-400
Published	2024-08-02
Last modified	2026-10-29

Publisher (CNA): Red Hat, Inc. · Vendor: fedoraproject · podman project · redhat

Last updated 2026-10-29 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-08-02 21:16 UTCPublished CVE record published
2026-10-29 07:16 UTCUpdated Record last modified

podman project podman UPGRADE

Affected: <= 5.2.0

Fixed in: newer than 5.2.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy podman || rpm -q podman || podman --version

2. UPGRADE to newer than 5.2.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade podman

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade podman

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

redhat openshift container platform DOWNGRADE

Affected: 4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0

1. Check installed version

apt-cache policy openshift-container-platform || rpm -q openshift-container-platform || openshift-container-platform --version

2. No fixed release: DOWNGRADE to a release before 4.0 (Debian / Ubuntu)

apt-cache madison openshift-container-platform sudo apt install openshift-container-platform=<VERSION_BEFORE_4.0> sudo apt-mark hold openshift-container-platform

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list openshift-container-platform sudo dnf downgrade openshift-container-platform-<VERSION_BEFORE_4.0> sudo dnf versionlock add openshift-container-platform

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

redhat enterprise linux MITIGATE

Affected: 8.0 · 9.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

fedoraproject fedora MITIGATE

Affected: 40

Fixed in: no fixed release known

Safe to downgrade to: a release before 40

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-3056?

podman: upgrade to newer than 5.2.0; openshift container platform: downgrade or apply the listed mitigation; enterprise linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-3056 being exploited?

CVE-2024-3056 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-3056 affect?

CVE-2024-3056 affects podman, openshift container platform, enterprise linux. Severity is high (CVSS 7.7). A flaw was found in Podman. This issue may allow an attacker to create a specially crafted container that, when configured to share the same IPC with at least one other container, can create a large number of IPC resources in /dev/shm. The

How urgent is CVE-2024-3056?

Priority 43/100. High severity; On your watchlist

Software pages

Red Hat OpenShift vulnerabilities · Podman vulnerabilities

Related CVEs

CVE-2026-57231 HIGH 7.5 UPGRADE Podman is a tool for managing OCI containers and pods
CVE-2026-55686 MEDIUM 5.3 UPGRADE Podman is a tool for managing OCI containers and pods
CVE-2026-33414 HIGH 7.8 UPGRADE Podman is a tool for managing OCI containers and pods

References

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