AlmaLinux 8 : container-tools:rhel8 (ALSA-2025:21232)

high Nessus Plugin ID 275837

Synopsis

The remote AlmaLinux host is missing one or more security updates.

Description

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:21232 advisory.

* runc: container escape via 'masked path' abuse due to mount race conditions (CVE-2025-31133)
* runc: container escape with malicious config due to /dev/console mount and related races (CVE-2025-52565)
* runc: container escape and denial of service due to arbitrary write gadgets and procfs write redirects (CVE-2025-52881)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://errata.almalinux.org/8/ALSA-2025-21232.html

https://access.redhat.com/errata/RHSA-2025:21232

Plugin Details

Severity: High

ID: 275837

File Name: alma_linux_ALSA-2025-21232.nasl

Version: 1.1

Type: local

Published: 11/20/2025

Updated: 11/20/2025

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2025-52881

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.4

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.4

Threat Score: 7.1

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H

CVSS Score Source: CVE-2025-52565

Vulnerability Information

CPE: p-cpe:/a:alma:linux:containernetworking-plugins, p-cpe:/a:alma:linux:libslirp, p-cpe:/a:alma:linux:podman-catatonit, cpe:/o:alma:linux:8::nfv, p-cpe:/a:alma:linux:fuse-overlayfs, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::resilientstorage, p-cpe:/a:alma:linux:slirp4netns, p-cpe:/a:alma:linux:cockpit-podman, p-cpe:/a:alma:linux:crit, cpe:/o:alma:linux:8::appstream, p-cpe:/a:alma:linux:podman-plugins, cpe:/o:alma:linux:8, p-cpe:/a:alma:linux:oci-seccomp-bpf-hook, p-cpe:/a:alma:linux:conmon, p-cpe:/a:alma:linux:podman, cpe:/o:alma:linux:8::realtime, p-cpe:/a:alma:linux:containers-common, p-cpe:/a:alma:linux:skopeo-tests, p-cpe:/a:alma:linux:runc, p-cpe:/a:alma:linux:container-selinux, cpe:/o:alma:linux:8::baseos, p-cpe:/a:alma:linux:skopeo, p-cpe:/a:alma:linux:crun, p-cpe:/a:alma:linux:toolbox-tests, p-cpe:/a:alma:linux:podman-docker, p-cpe:/a:alma:linux:libslirp-devel, p-cpe:/a:alma:linux:buildah-tests, p-cpe:/a:alma:linux:python3-podman, p-cpe:/a:alma:linux:udica, cpe:/o:alma:linux:8::supplementary, p-cpe:/a:alma:linux:podman-gvproxy, p-cpe:/a:alma:linux:aardvark-dns, p-cpe:/a:alma:linux:netavark, p-cpe:/a:alma:linux:toolbox, cpe:/o:alma:linux:8::sap, p-cpe:/a:alma:linux:podman-remote, p-cpe:/a:alma:linux:criu-devel, p-cpe:/a:alma:linux:python3-criu, p-cpe:/a:alma:linux:criu-libs, p-cpe:/a:alma:linux:buildah, p-cpe:/a:alma:linux:criu, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8::highavailability, p-cpe:/a:alma:linux:podman-tests

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/13/2025

Vulnerability Publication Date: 11/5/2025

Reference Information

CVE: CVE-2025-31133, CVE-2025-52565, CVE-2025-52881

CWE: 59

RHSA: 2025:21232