SUSE SLES11: kernel-default / kernel-default-base / kernel-ec2 / kernel-ec2-base / etc (SUSE-SU-2026:4933-1)

critical Nessus Plugin ID 374176

Synopsis

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

Description

The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4933-1 advisory.

The SUSE Linux Enterprise 11 SP4 kernel was updated to fix various security issues:

The following security issues were fixed:

- CVE-2026-74587: sctp: fix use-after-free of cached ASCONF chunk (bsc#1277821).
- CVE-2026-89542: SUNRPC: harden gss_krb5_unwrap_v2 against short tokens (bsc#1280387).
- CVE-2026-90011: scsi: target: iscsi: Reserve a terminator byte for the login payload (bsc#1281280).
- CVE-2026-99999: ipv4: validate checksum_start before completing checksum (bsc#1285684).

The following non security issues were fixed:

- ACPI, APEI, EINJ: Subtract any matching Register Region from Trigger resources (git-fixes).
- ACPI: sysfs: Fix a buffer overrun problem with description_show() (git-fixes).
- PCI: pciehp: Use RMW accessors for changing LNKCTL (git-fixes).
- PCI: PM: Fix pci_power_up() (git-fixes).

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: Critical

ID: 374176

File Name: suse_SU-2026-4933-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 10/30/2026

Updated: 10/30/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8

Percentile: 99.69

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-89542

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:11, p-cpe:/a:novell:suse_linux:kernel-default-base, p-cpe:/a:novell:suse_linux:kernel-default, p-cpe:/a:novell:suse_linux:kernel-ec2-base, p-cpe:/a:novell:suse_linux:kernel-ec2, p-cpe:/a:novell:suse_linux:kernel-source, p-cpe:/a:novell:suse_linux:kernel-trace-base, p-cpe:/a:novell:suse_linux:kernel-trace, p-cpe:/a:novell:suse_linux:kernel-xen-base, p-cpe:/a:novell:suse_linux:kernel-xen

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: 10/29/2026

Vulnerability Publication Date: 8/22/2026

Reference Information

CVE: CVE-2026-74587, CVE-2026-89542, CVE-2026-90011, CVE-2026-99999

SuSE: SUSE-SU-2026:4933-1

Detections

Analytics