CVE-2021-4024
A flaw was found in podman. The `podman machine` function (used to create and manage Podman virtual machine containing a Podman process) spawns a `gvproxy` process on the host system. The `gvproxy`
02 Description
A flaw was found in podman. The `podman machine` function (used to create and manage Podman virtual machine containing a Podman process) spawns a `gvproxy` process on the host system. The `gvproxy`
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.13% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 65.9% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-12-23 19:48Z4 YR AGO
- Last updated
- 2024-08-03 17:16Z2 YR AGO
- Reserved
- 2021-11-26
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- f0377885cb2a5f319965aecfdf59ffafdabca426a9856da163426259fa3a1baa
05 Affected products
06 References
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2026675%2C
- github.comhttps://github.com/containers/podman/releases/tag/v3.4.3
- lists.fedoraproject.orgFEDORA-2021-6bd024d2a7https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QFFVJ6S3ZRMPDYB7KYAWEMDHXFZYQPU3/
07 Fixed in
AlmaLinux 8
- aardvark-dns Fixed
A version is affected if any line below covers it.
- Affected before 2:1.10.1-2.module_el8.10.0+3901+4b80ecd7
- Affected before 2:1.10.1-2.module_el8.10.0+3909+6e1c1eb7
- Affected before 2:1.10.1-2.module_el8.10.0+3926+f12484f5
- buildah Fixed in 2:1.33.11-1.module_el8.10.0+3926+f12484f5
- buildah-tests Fixed in 2:1.33.11-1.module_el8.10.0+3926+f12484f5
- cockpit-podman Fixed in 84.1-1.module_el8.10.0+3876+e55593a8
- conmon Fixed
A version is affected if any line below covers it.
- Affected before 3:2.1.10-1.module_el8.10.0+3845+87b84552
- Affected before 3:2.1.10-1.module_el8.10.0+3876+e55593a8
- Affected before 3:2.1.10-1.module_el8.10.0+3901+4b80ecd7
- Affected before 3:2.1.10-1.module_el8.10.0+3909+6e1c1eb7
- container-selinux Fixed in 2:2.229.0-2.module_el8.10.0+3909+6e1c1eb7
- containernetworking-plugins Fixed
A version is affected if any line below covers it.
- Affected before 1:1.4.0-5.module_el8.10.0+3876+e55593a8
- Affected before 1:1.4.0-5.module_el8.10.0+3909+6e1c1eb7
- Affected before 1:1.4.0-5.module_el8.10.0+3926+f12484f5
- containers-common Fixed
A version is affected if any line below covers it.
- Affected before 2:1-82.module_el8.10.0+3876+e55593a8
- Affected before 2:1-82.module_el8.10.0+3901+4b80ecd7
- crit Fixed
A version is affected if any line below covers it.
- Affected before 3.18-5.module_el8.10.0+3845+87b84552
- Affected before 3.18-5.module_el8.10.0+3858+6ad51f9f
- Affected before 3.18-5.module_el8.10.0+3901+4b80ecd7
- criu Fixed
A version is affected if any line below covers it.
- Affected before 3.18-5.module_el8.10.0+3876+e55593a8
- Affected before 3.18-5.module_el8.10.0+3909+6e1c1eb7
- Affected before 3.18-5.module_el8.10.0+3926+f12484f5
- criu-devel Fixed
A version is affected if any line below covers it.
- Affected before 3.18-5.module_el8.10.0+3858+6ad51f9f
- Affected before 3.18-5.module_el8.10.0+3876+e55593a8
- Affected before 3.18-5.module_el8.10.0+3926+f12484f5
- criu-libs Fixed
A version is affected if any line below covers it.
- Affected before 3.18-5.module_el8.10.0+3845+87b84552
- Affected before 3.18-5.module_el8.10.0+3909+6e1c1eb7
- Affected before 3.18-5.module_el8.10.0+3926+f12484f5
- crun Fixed
A version is affected if any line below covers it.
- Affected before 1.14.3-2.module_el8.10.0+3845+87b84552
- Affected before 1.14.3-2.module_el8.10.0+3909+6e1c1eb7
- Affected before 1.14.3-2.module_el8.10.0+3926+f12484f5
- fuse-overlayfs Fixed
A version is affected if any line below covers it.
- Affected before 1.13-1.module_el8.10.0+3792+03eaed9c
- Affected before 1.13-1.module_el8.10.0+3901+4b80ecd7
- Affected before 1.13-1.module_el8.10.0+3909+6e1c1eb7
- libslirp Fixed
A version is affected if any line below covers it.
- Affected before 4.4.0-2.module_el8.10.0+3845+87b84552
- Affected before 4.4.0-2.module_el8.10.0+3858+6ad51f9f
- Affected before 4.4.0-2.module_el8.10.0+3876+e55593a8
- libslirp-devel Fixed
A version is affected if any line below covers it.
- Affected before 4.4.0-2.module_el8.10.0+3876+e55593a8
- Affected before 4.4.0-2.module_el8.10.0+3901+4b80ecd7
- Affected before 4.4.0-2.module_el8.10.0+3909+6e1c1eb7
- Affected before 4.4.0-2.module_el8.10.0+3926+f12484f5
- netavark Fixed
A version is affected if any line below covers it.
- Affected before 2:1.10.3-1.module_el8.10.0+3845+87b84552
- Affected before 2:1.10.3-1.module_el8.10.0+3858+6ad51f9f
- Affected before 2:1.10.3-1.module_el8.10.0+3901+4b80ecd7
- Affected before 2:1.10.3-1.module_el8.10.0+3926+f12484f5
- oci-seccomp-bpf-hook Fixed
A version is affected if any line below covers it.
- Affected before 1.2.10-1.module_el8.10.0+3792+03eaed9c
- Affected before 1.2.10-1.module_el8.10.0+3876+e55593a8
- Affected before 1.2.10-1.module_el8.10.0+3909+6e1c1eb7
- podman Fixed in 4:4.9.4-18.module_el8.10.0+3926+f12484f5
- podman-catatonit Fixed in 4:4.9.4-18.module_el8.10.0+3926+f12484f5
- podman-docker Fixed in 4:4.9.4-18.module_el8.10.0+3926+f12484f5
- podman-gvproxy Fixed in 4:4.9.4-18.module_el8.10.0+3926+f12484f5
- podman-plugins Fixed in 4:4.9.4-18.module_el8.10.0+3926+f12484f5
- podman-remote Fixed in 4:4.9.4-18.module_el8.10.0+3926+f12484f5
- podman-tests Fixed in 4:4.9.4-18.module_el8.10.0+3926+f12484f5
- python3-criu Fixed
A version is affected if any line below covers it.
- Affected before 3.18-5.module_el8.10.0+3858+6ad51f9f
- Affected before 3.18-5.module_el8.10.0+3876+e55593a8
- Affected before 3.18-5.module_el8.10.0+3901+4b80ecd7
- Affected before 3.18-5.module_el8.10.0+3926+f12484f5
- python3-podman Fixed in 4.9.0-3.module_el8.10.0+3926+f12484f5
- runc Fixed in 1:1.1.12-5.module_el8.10.0+3909+6e1c1eb7
- skopeo Fixed
A version is affected if any line below covers it.
- Affected before 2:1.14.5-3.module_el8.10.0+3876+e55593a8
- Affected before 2:1.14.5-3.module_el8.10.0+3901+4b80ecd7
- Affected before 2:1.14.5-3.module_el8.10.0+3909+6e1c1eb7
- Affected before 2:1.14.5-3.module_el8.10.0+3926+f12484f5
- skopeo-tests Fixed
A version is affected if any line below covers it.
- Affected before 2:1.14.5-3.module_el8.10.0+3876+e55593a8
- Affected before 2:1.14.5-3.module_el8.10.0+3901+4b80ecd7
- slirp4netns Fixed
A version is affected if any line below covers it.
- Affected before 1.2.3-1.module_el8.10.0+3845+87b84552
- Affected before 1.2.3-1.module_el8.10.0+3876+e55593a8
- Affected before 1.2.3-1.module_el8.10.0+3901+4b80ecd7
- Affected before 1.2.3-1.module_el8.10.0+3926+f12484f5
- toolbox Fixed
A version is affected if any line below covers it.
- Affected before 0.0.99.5-2.module_el8.10.0+3845+87b84552
- Affected before 0.0.99.5-2.module_el8.10.0+3858+6ad51f9f
- Affected before 0.0.99.5-2.module_el8.10.0+3876+e55593a8
- Affected before 0.0.99.5-2.module_el8.10.0+3901+4b80ecd7
- toolbox-tests Fixed
A version is affected if any line below covers it.
- Affected before 0.0.99.5-2.module_el8.10.0+3858+6ad51f9f
- Affected before 0.0.99.5-2.module_el8.10.0+3909+6e1c1eb7
- udica Fixed in 0.2.6-21.module_el8.10.0+3926+f12484f5
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
AlmaLinux 9
- podman Fixed in 2:4.2.0-3.el9
- podman-docker Fixed in 2:4.2.0-3.el9
- podman-gvproxy Fixed in 2:4.2.0-3.el9
- podman-plugins Fixed in 2:4.2.0-3.el9
- podman-remote Fixed in 2:4.2.0-3.el9
- podman-tests Fixed in 2:4.2.0-3.el9
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Arch Linux
- podman Fixed in 3.4.4-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
CloudLinux 8
- aardvark-dns Fixed
A version is affected if any line below covers it.
- Affected before 2:1.10.1-2.module_el8.10.0+3901+4b80ecd7
- Affected before 2:1.10.1-2.module_el8.10.0+3909+6e1c1eb7
- Affected before 2:1.10.1-2.module_el8.10.0+3926+f12484f5
- buildah Fixed in 2:1.33.11-1.module_el8.10.0+3926+f12484f5
- buildah-tests Fixed in 2:1.33.11-1.module_el8.10.0+3926+f12484f5
- cockpit-podman Fixed in 84.1-1.module_el8.10.0+3876+e55593a8
- conmon Fixed
A version is affected if any line below covers it.
- Affected before 3:2.1.10-1.module_el8.10.0+3845+87b84552
- Affected before 3:2.1.10-1.module_el8.10.0+3876+e55593a8
- Affected before 3:2.1.10-1.module_el8.10.0+3901+4b80ecd7
- Affected before 3:2.1.10-1.module_el8.10.0+3909+6e1c1eb7
- container-selinux Fixed in 2:2.229.0-2.module_el8.10.0+3909+6e1c1eb7
- containernetworking-plugins Fixed
A version is affected if any line below covers it.
- Affected before 1:1.4.0-5.module_el8.10.0+3876+e55593a8
- Affected before 1:1.4.0-5.module_el8.10.0+3909+6e1c1eb7
- Affected before 1:1.4.0-5.module_el8.10.0+3926+f12484f5
- containers-common Fixed
A version is affected if any line below covers it.
- Affected before 2:1-82.module_el8.10.0+3876+e55593a8
- Affected before 2:1-82.module_el8.10.0+3901+4b80ecd7
- crit Fixed
A version is affected if any line below covers it.
- Affected before 3.18-5.module_el8.10.0+3845+87b84552
- Affected before 3.18-5.module_el8.10.0+3858+6ad51f9f
- Affected before 3.18-5.module_el8.10.0+3901+4b80ecd7
- criu Fixed
A version is affected if any line below covers it.
- Affected before 3.18-5.module_el8.10.0+3876+e55593a8
- Affected before 3.18-5.module_el8.10.0+3909+6e1c1eb7
- Affected before 3.18-5.module_el8.10.0+3926+f12484f5
- criu-devel Fixed
A version is affected if any line below covers it.
- Affected before 3.18-5.module_el8.10.0+3858+6ad51f9f
- Affected before 3.18-5.module_el8.10.0+3876+e55593a8
- Affected before 3.18-5.module_el8.10.0+3926+f12484f5
- criu-libs Fixed
A version is affected if any line below covers it.
- Affected before 3.18-5.module_el8.10.0+3845+87b84552
- Affected before 3.18-5.module_el8.10.0+3909+6e1c1eb7
- Affected before 3.18-5.module_el8.10.0+3926+f12484f5
- crun Fixed
A version is affected if any line below covers it.
- Affected before 1.14.3-2.module_el8.10.0+3845+87b84552
- Affected before 1.14.3-2.module_el8.10.0+3909+6e1c1eb7
- Affected before 1.14.3-2.module_el8.10.0+3926+f12484f5
- fuse-overlayfs Fixed
A version is affected if any line below covers it.
- Affected before 1.13-1.module_el8.10.0+3792+03eaed9c
- Affected before 1.13-1.module_el8.10.0+3901+4b80ecd7
- Affected before 1.13-1.module_el8.10.0+3909+6e1c1eb7
- libslirp Fixed
A version is affected if any line below covers it.
- Affected before 4.4.0-2.module_el8.10.0+3845+87b84552
- Affected before 4.4.0-2.module_el8.10.0+3858+6ad51f9f
- Affected before 4.4.0-2.module_el8.10.0+3876+e55593a8
- libslirp-devel Fixed
A version is affected if any line below covers it.
- Affected before 4.4.0-2.module_el8.10.0+3876+e55593a8
- Affected before 4.4.0-2.module_el8.10.0+3901+4b80ecd7
- Affected before 4.4.0-2.module_el8.10.0+3909+6e1c1eb7
- Affected before 4.4.0-2.module_el8.10.0+3926+f12484f5
- netavark Fixed
A version is affected if any line below covers it.
- Affected before 2:1.10.3-1.module_el8.10.0+3845+87b84552
- Affected before 2:1.10.3-1.module_el8.10.0+3858+6ad51f9f
- Affected before 2:1.10.3-1.module_el8.10.0+3901+4b80ecd7
- Affected before 2:1.10.3-1.module_el8.10.0+3926+f12484f5
- oci-seccomp-bpf-hook Fixed
A version is affected if any line below covers it.
- Affected before 1.2.10-1.module_el8.10.0+3792+03eaed9c
- Affected before 1.2.10-1.module_el8.10.0+3876+e55593a8
- Affected before 1.2.10-1.module_el8.10.0+3909+6e1c1eb7
- podman Fixed in 4:4.9.4-18.module_el8.10.0+3926+f12484f5
- podman-catatonit Fixed in 4:4.9.4-18.module_el8.10.0+3926+f12484f5
- podman-docker Fixed in 4:4.9.4-18.module_el8.10.0+3926+f12484f5
- podman-gvproxy Fixed in 4:4.9.4-18.module_el8.10.0+3926+f12484f5
- podman-plugins Fixed in 4:4.9.4-18.module_el8.10.0+3926+f12484f5
- podman-remote Fixed in 4:4.9.4-18.module_el8.10.0+3926+f12484f5
- podman-tests Fixed in 4:4.9.4-18.module_el8.10.0+3926+f12484f5
- python3-criu Fixed
A version is affected if any line below covers it.
- Affected before 3.18-5.module_el8.10.0+3858+6ad51f9f
- Affected before 3.18-5.module_el8.10.0+3876+e55593a8
- Affected before 3.18-5.module_el8.10.0+3901+4b80ecd7
- Affected before 3.18-5.module_el8.10.0+3926+f12484f5
- python3-podman Fixed in 4.9.0-3.module_el8.10.0+3926+f12484f5
- runc Fixed in 1:1.1.12-5.module_el8.10.0+3909+6e1c1eb7
- skopeo Fixed
A version is affected if any line below covers it.
- Affected before 2:1.14.5-3.module_el8.10.0+3876+e55593a8
- Affected before 2:1.14.5-3.module_el8.10.0+3901+4b80ecd7
- Affected before 2:1.14.5-3.module_el8.10.0+3909+6e1c1eb7
- Affected before 2:1.14.5-3.module_el8.10.0+3926+f12484f5
- skopeo-tests Fixed
A version is affected if any line below covers it.
- Affected before 2:1.14.5-3.module_el8.10.0+3876+e55593a8
- Affected before 2:1.14.5-3.module_el8.10.0+3901+4b80ecd7
- slirp4netns Fixed
A version is affected if any line below covers it.
- Affected before 1.2.3-1.module_el8.10.0+3845+87b84552
- Affected before 1.2.3-1.module_el8.10.0+3876+e55593a8
- Affected before 1.2.3-1.module_el8.10.0+3901+4b80ecd7
- Affected before 1.2.3-1.module_el8.10.0+3926+f12484f5
- toolbox Fixed
A version is affected if any line below covers it.
- Affected before 0.0.99.5-2.module_el8.10.0+3845+87b84552
- Affected before 0.0.99.5-2.module_el8.10.0+3858+6ad51f9f
- Affected before 0.0.99.5-2.module_el8.10.0+3876+e55593a8
- Affected before 0.0.99.5-2.module_el8.10.0+3901+4b80ecd7
- toolbox-tests Fixed
A version is affected if any line below covers it.
- Affected before 0.0.99.5-2.module_el8.10.0+3858+6ad51f9f
- Affected before 0.0.99.5-2.module_el8.10.0+3909+6e1c1eb7
- udica Fixed in 0.2.6-21.module_el8.10.0+3926+f12484f5
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 9
- podman Fixed in 2:4.2.0-3.el9
- podman-docker Fixed in 2:4.2.0-3.el9
- podman-gvproxy Fixed in 2:4.2.0-3.el9
- podman-plugins Fixed in 2:4.2.0-3.el9
- podman-remote Fixed in 2:4.2.0-3.el9
- podman-tests Fixed in 2:4.2.0-3.el9
Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- libpod Fixed in 3.4.3+ds1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 22.04 LTS
- libpod No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 24.04 LTS
- libpod No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.