SUSE SLES11 Security Update : kernel (SUSE-SU-2026:0688-1)

medium Nessus Plugin ID 300199

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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-2026:0688-1 advisory.

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

The following security issues were fixed:

- CVE-2021-0920: net: split out functions related to registering inflight socket files (bsc#1193731).
- CVE-2025-38177: sch_hfsc: make hfsc_qlen_notify() idempotent (bsc#1245986).

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.

See Also

https://bugzilla.suse.com/1193731

https://bugzilla.suse.com/1245986

http://www.nessus.org/u?bc71a582

https://www.suse.com/security/cve/CVE-2021-0920

https://www.suse.com/security/cve/CVE-2025-38177

Plugin Details

Severity: Medium

ID: 300199

File Name: suse_SU-2026-0688-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/2/2026

Updated: 3/2/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.7

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

CVSS Score Source: CVE-2021-0920

CVSS v3

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5.9

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

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

Vulnerability Information

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

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: 2/27/2026

Vulnerability Publication Date: 9/19/2021

CISA Known Exploited Vulnerability Due Dates: 6/13/2022

Reference Information

CVE: CVE-2021-0920, CVE-2025-38177

SuSE: SUSE-SU-2026:0688-1