SUSE SLES15 / openSUSE 15 Security Update : corosync (SUSE-SU-2026:1394-1)

high Nessus Plugin ID 306885

Synopsis

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

Description

The remote SUSE Linux SLES15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1394-1 advisory.

- CVE-2026-35091: Denial of Service and information disclosure via crafted UDP packet (bsc#1261299).
- CVE-2026-35092: Denial of Service via integer overflow in join message validation (bsc#1261300).

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 packages.

Plugin Details

Severity: High

ID: 306885

File Name: suse_SU-2026-1394-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 4/17/2026

Updated: 4/17/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.0

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-35091

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.4

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libcorosync_common4, p-cpe:/a:novell:suse_linux:libquorum5, p-cpe:/a:novell:suse_linux:corosync, p-cpe:/a:novell:suse_linux:corosync-qnetd, p-cpe:/a:novell:suse_linux:corosync-qdevice, p-cpe:/a:novell:suse_linux:corosync-testagents, p-cpe:/a:novell:suse_linux:libcorosync-devel, p-cpe:/a:novell:suse_linux:libcpg4, p-cpe:/a:novell:suse_linux:libsam4, p-cpe:/a:novell:suse_linux:libtotem_pg5, p-cpe:/a:novell:suse_linux:libcfg6, p-cpe:/a:novell:suse_linux:libcmap4, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libvotequorum8

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: 4/16/2026

Vulnerability Publication Date: 1/8/2026

Reference Information

CVE: CVE-2026-35091, CVE-2026-35092

IAVA: 2026-A-0004

SuSE: SUSE-SU-2026:1394-1

Detections

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