CVE-2022-27649 Podman's default inheritable capabilities for linux container not empty

What is CVE-2022-27649?

CVE-2022-27649 is a high-severity vulnerability in Fedoraproject Fedora, published on 4 Apr 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A flaw was found in Podman, where containers were started incorrectly with non-empty default permissions. A vulnerability was found in Moby (Docker Engine), where containers were started incorrectly with non-empty inheritable Linux process capabilities. This flaw allows an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs.

Weakness: CWE-276

Which versions are affected by CVE-2022-27649?

6 open source packages ship an affected version, including github.com/containers/podman/v4, github.com/containers/podman and github.com/containers/podman/v2. It affects 14 products.

Products include Fedoraproject Fedora, Podman Project Podman, Redhat Developer Tools, Redhat Enterprise Linux, Redhat Enterprise Linux Eus, Redhat Enterprise Linux for Ibm Z Systems and 8 more.

How do I fix CVE-2022-27649?

Upgrade github.com/containers/podman/v4 to 4.0.3 or later.

Is CVE-2022-27649 being exploited?

There is no known exploitation of CVE-2022-27649 in the wild and no public exploit code.

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All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-9320, DEBIAN-CVE-2022-27649, GHSA-qvf8-p83w-v58j, GO-2022-0416, UBUNTU-CVE-2022-27649, openSUSE-SU-2024:11982-1.