CVE-2022-2990: An incorrect handling of the supplementary groups in the Buildah container engine might lead to the sensitive

This month

HIGH 7.1WATCHLISTUPGRADEDOWNGRADEMITIGATE

CVE-2022-2990 is a high-severity flaw (CVSS 7.1) affecting buildah, openshift container platform, enterprise linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An incorrect handling of the supplementary groups in the Buildah container engine might lead to the sensitive information disclosure or possible data modification if an attacker has direct access to the affected container where supplementary groups are used to set access permissions and is able to execute a binary code in that container.

Why this priority

High severity
Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.1 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-842, CWE-863
Published	2022-09-13
Last modified	2026-06-17

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

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-09-13 14:15 UTCPublished CVE record published
2026-06-17 04:42 UTCUpdated Record last modified

buildah project buildah UPGRADE

Affected: < 1.27.1

Fixed in: 1.27.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.27.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade buildah

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: 7.0 · 8.0 · 9.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.0

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.

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-2022-2990?

buildah: upgrade to 1.27.1; 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-2022-2990 being exploited?

CVE-2022-2990 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-2022-2990 affect?

CVE-2022-2990 affects buildah, openshift container platform, enterprise linux. Severity is high (CVSS 7.1). An incorrect handling of the supplementary groups in the Buildah container engine might lead to the sensitive information disclosure or possible data modification if an attacker has direct access to the affected container where supplementar

How urgent is CVE-2022-2990?

Priority 42/100. High severity; Public exploit reference; On your watchlist

Software pages

Red Hat OpenShift vulnerabilities

Related CVEs

CVE-2024-9675 HIGH 7.8 MITIGATE DOWNGRADE A vulnerability was found in Buildah
CVE-2022-27651 MEDIUM 6.8 UPGRADE MITIGATE A flaw was found in buildah where containers were incorrectly started with non-empty default permissions
CVE-2021-3602 MEDIUM 5.5 UPGRADE MITIGATE An information disclosure flaw was found in Buildah, when building containers using chroot isolation
CVE-2020-10696 HIGH 8.8 UPGRADE DOWNGRADE A path traversal flaw was found in Buildah in versions before 1.14.5
CVE-2019-10214 MEDIUM 5.9 MITIGATE MITIGATE The containers/image library used by the container tools Podman, Buildah, and Skopeo in Red Hat Enterprise Lin

References

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