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CBL Mariner 2.0 Security Update: kata-containers / kata-containers-cc (CVE-2025-5791)

high Nessus Plugin ID 244831

Synopsis

The remote CBL Mariner host is missing one or more security updates.

Description

The version of kata-containers / kata-containers-cc installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-5791 advisory.

 - A flaw was found in the user's crate for Rust. This vulnerability allows privilege escalation via incorrect group listing when a user or process has fewer than exactly 1024 groups, leading to the erroneous inclusion of the root group in the access list. (CVE-2025-5791)

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.

See Also

https://nvd.nist.gov/vuln/detail/CVE-2025-5791

Plugin Details

Severity: High

ID: 244831

File Name: mariner_CVE-2025-5791.nasl

Version: 1.1

Type: local

Published: 8/7/2025

Updated: 8/7/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

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

CVSS Score Source: CVE-2025-5791

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

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

Vulnerability Information

CPE: p-cpe:/a:microsoft:cbl-mariner:kata-containers, x-cpe:/o:microsoft:cbl-mariner, p-cpe:/a:microsoft:cbl-mariner:kata-containers-cc, p-cpe:/a:microsoft:cbl-mariner:kata-containers-tools, p-cpe:/a:microsoft:cbl-mariner:kata-containers-cc-tools

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/6/2025

Vulnerability Publication Date: 6/5/2025

Reference Information

CVE: CVE-2025-5791