synced 13 MIN AGO
01 Record

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`

UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector

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
  • CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
  • CWE-346Origin Validation ErrorClass
  • CWE-1327Binding to an Unrestricted IP AddressBase
Data version
5.1
Document digest
f0377885cb2a5f319965aecfdf59ffafdabca426a9856da163426259fa3a1baa

05 Affected products

VendorProductVersionsPlatforms
n/apodmanpodman 3.4.3—

06 References

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.