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SUSE SLES15 Security Update : kernel (Live Patch 18 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:3392-1)

high Nessus Plugin ID 331428

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:3392-1 advisory.

 This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.66 fixes various security issues:

 The following security issues were fixed:

 - CVE-2026-53366: ipv4: account for fraggap on the paged allocation path (bsc#1271370).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected kernel-livepatch-6_4_0-150700_53_66-default package.

See Also

https://bugzilla.suse.com/1271370

https://lists.suse.com/pipermail/sle-updates/2026-July/048934.html

https://www.suse.com/security/cve/CVE-2026-53366

Plugin Details

Severity: High

ID: 331428

File Name: suse_SU-2026-3392-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/31/2026

Updated: 7/31/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.4

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-53366

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:kernel-livepatch-6_4_0-150700_53_66-default

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: 7/28/2026

Vulnerability Publication Date: 7/7/2026

Reference Information

CVE: CVE-2026-53366

SuSE: SUSE-SU-2026:3392-1