SUSE SLES15 Security Update : kubevirt (SUSE-SU-2026:5167-1)

high Nessus Plugin ID 379499

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-2026:5167-1 advisory.

- CVE-2026-56854,CVE-2026-56855,CVE-2026-78662: golang.org/x/crypto/ssh: authentication bypass and deadlocks in the crypto/ssh library (bsc#1278574).
- CVE-2026-78659: golang.org/x/net/http2: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1286984).
- CVE-2026-78660: golang.org/x/net/http2: HTTP/2 transport accepts malformed framing-related headers (bsc#1287039).
- CVE-2026-78663: golang.org/x/net/http2: double flow control refund on HTTP/2 server streams (bsc#1287131).
- CVE-2026-78669: golang.org/x/net/http2: excessive CPU consumption from repeated initial window changes (bsc#1285255).
- CVE-2026-84303: google.golang.org/grpc: xDS RBAC HTTP filter implementation issue allows for bypass of authorization policies via mixed-case or canonical-case header matches (bsc#1279276).
- CVE-2026-84304: google.golang.org/grpc: heap memory exhaustion via HTTP/2 DATA frame fragmentation (bsc#1279184).
- CVE-2026-84445: google.golang.org/grpc: DoS via crash due to missing ':authority' and 'Host' headers in gRPC-Go xDS servers (bsc#1278869).
- CVE-2026-97032: golang.org/x/net/http2: HTTP/2 server crash due to HPACK encoder race (bsc#1287260).

Rebuilt also against current go1.26.

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.

Plugin Details

Severity: High

ID: 379499

File Name: suse_SU-2026-5167-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 11/12/2026

Updated: 11/12/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.55

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-84303

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

CVSS Score Source: CVE-2026-78663

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

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

CVSS Score Source: CVE-2026-84445

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/10/2026

Vulnerability Publication Date: 8/28/2026

Reference Information

CVE: CVE-2026-56854, CVE-2026-56855, CVE-2026-78659, CVE-2026-78660, CVE-2026-78662, CVE-2026-78663, CVE-2026-78669, CVE-2026-84303, CVE-2026-84304, CVE-2026-84445, CVE-2026-97032

SuSE: SUSE-SU-2026:5167-1

Detections

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