TencentOS Server 3: container-tools:rhel8 (TSSA-2025:0821)

high Nessus Plugin ID 271140

Synopsis

The remote TencentOS Server 3 host is missing one or more security updates.

Description

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2025:0821 advisory.

Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:

CVE-2025-9566:
There's a vulnerability in podman where an attacker may use the kube play command to overwrite host files when the kube file container a Secrete or a ConfigMap volume mount and such volume contains a symbolic link to a host file path. In a successful attack, the attacker can only control the target file to be overwritten but not the content to be written into the file.

Binary-Affected: podman Upstream-version-introduced: v4.0.0 Upstream-version-fixed: v5.6.1

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

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

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 271140

File Name: tencentos_TSSA_2025_0821.nasl

Version: 1.2

Type: local

Family: Tencent Local Security Checks

Published: 10/22/2025

Updated: 12/4/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2025-9566

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: p-cpe:/a:tencent:tencentos_server:udica, p-cpe:/a:tencent:tencentos_server:slirp4netns, p-cpe:/a:tencent:tencentos_server:containernetworking-plugins, p-cpe:/a:tencent:tencentos_server:containers-common, p-cpe:/a:tencent:tencentos_server:skopeo, p-cpe:/a:tencent:tencentos_server:netavark, p-cpe:/a:tencent:tencentos_server:podman, cpe:/o:tencent:tencentos_server:3, p-cpe:/a:tencent:tencentos_server:runc, p-cpe:/a:tencent:tencentos_server:python-podman, p-cpe:/a:tencent:tencentos_server:crun, p-cpe:/a:tencent:tencentos_server:toolbox, p-cpe:/a:tencent:tencentos_server:aardvark-dns, p-cpe:/a:tencent:tencentos_server:conmon, p-cpe:/a:tencent:tencentos_server:criu, p-cpe:/a:tencent:tencentos_server:cockpit-podman, p-cpe:/a:tencent:tencentos_server:buildah, p-cpe:/a:tencent:tencentos_server:libslirp, p-cpe:/a:tencent:tencentos_server:fuse-overlayfs, p-cpe:/a:tencent:tencentos_server:oci-seccomp-bpf-hook, p-cpe:/a:tencent:tencentos_server:container-selinux

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/etc/os-release, Host/TencentOS/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/16/2025

Vulnerability Publication Date: 9/16/2025

Reference Information

CVE: CVE-2025-9566

Detections

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