SUSE SLES15 Security Update : kubevirt (SUSE-SU-2026:2400-1)

medium Nessus Plugin ID 321638

Synopsis

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

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2400-1 advisory.

Update to version 1.7.4, fixes various go embedded security issues:

- CVE-2025-47911: golang.org/x/net/html: various algorithms with quadratic complexity when parsing HTML documents (bsc#1251420).
- CVE-2025-47913: golang.org/x/crypto/ssh/agent: client process termination when receiving an unexpected message type in response to a key listing or signing request (bsc#1253559).
- CVE-2025-47914: golang.org/x/crypto/ssh/agent: non validated message size can cause a panic due to an out of bounds read (bsc#1254014).
- CVE-2025-58181: golang.org/x/crypto/ssh: invalidated number of mechanisms can cause unbounded memory consumption (bsc#1253935).
- CVE-2025-58190: golang.org/x/net/html: excessive memory consumption by `html.ParseFragment` when processing specially crafted input (bsc#1251615).
- CVE-2026-7374: virt-handler: Privilege escalation and node compromise via symlink following vulnerability (bsc#1265467).
- CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2 :path pseudo- header (bsc#1260234).

Release notes https://github.com/kubevirt/kubevirt/releases/tag/v1.7.4

Tenable has extracted the preceding description block directly from the SUSE 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 kubevirt-manifests and / or kubevirt-virtctl packages.

See Also

https://bugzilla.suse.com/1251420

https://bugzilla.suse.com/1251615

https://bugzilla.suse.com/1253559

https://bugzilla.suse.com/1253935

https://bugzilla.suse.com/1254014

https://bugzilla.suse.com/1260234

https://bugzilla.suse.com/1265467

https://lists.suse.com/pipermail/sle-updates/2026-June/047325.html

https://www.suse.com/security/cve/CVE-2025-47911

https://www.suse.com/security/cve/CVE-2025-47913

https://www.suse.com/security/cve/CVE-2025-47914

https://www.suse.com/security/cve/CVE-2025-58181

https://www.suse.com/security/cve/CVE-2025-58190

https://www.suse.com/security/cve/CVE-2026-33186

https://www.suse.com/security/cve/CVE-2026-7374

Plugin Details

Severity: Medium

ID: 321638

File Name: suse_SU-2026-2400-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/20/2026

Updated: 6/20/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2025-58190

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kubevirt-virtctl, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:kubevirt-manifests

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/15/2026

Vulnerability Publication Date: 10/23/2025

Reference Information

CVE: CVE-2025-47911, CVE-2025-47913, CVE-2025-47914, CVE-2025-58181, CVE-2025-58190, CVE-2026-33186, CVE-2026-7374

SuSE: SUSE-SU-2026:2400-1