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SUSE SLES15 Security Update : kernel RT (Live Patch 16 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:2863-1)

high Nessus Plugin ID 326701

Synopsis

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

Description

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2863-1 advisory.

 This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.59 fixes various security issues

 The following security issues were fixed:

 - CVE-2026-46120: ip6_gre: Use cached t->net in ip6erspan_changelink() (bsc#1267893).
 - CVE-2026-46173: exit: prevent preemption of oopsing TASK_DEAD task (bsc#1267723).
 - CVE-2026-46227: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (bsc#1267698).
 - CVE-2026-52909: ip6_vti: set netns_immutable on the fallback device (bsc#1268662).
 - CVE-2026-52943: net: skbuff: fix missing zerocopy reference in pskb_carve helpers (bsc#1269023).
 - CVE-2026-53362: ipv6: account for fraggap on the paged allocation path (bsc#1269495).

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 kernel-livepatch-6_4_0-150700_7_59-rt package.

See Also

https://bugzilla.suse.com/1267698

https://bugzilla.suse.com/1267723

https://bugzilla.suse.com/1267893

https://bugzilla.suse.com/1268662

https://bugzilla.suse.com/1269023

https://bugzilla.suse.com/1269495

https://lists.suse.com/pipermail/sle-updates/2026-July/048114.html

https://www.suse.com/security/cve/CVE-2026-46120

https://www.suse.com/security/cve/CVE-2026-46173

https://www.suse.com/security/cve/CVE-2026-46227

https://www.suse.com/security/cve/CVE-2026-52909

https://www.suse.com/security/cve/CVE-2026-52943

https://www.suse.com/security/cve/CVE-2026-53362

Plugin Details

Severity: High

ID: 326701

File Name: suse_SU-2026-2863-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/14/2026

Updated: 7/14/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.36

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2026-52909

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

CVSS Score Source: CVE-2026-52943

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kernel-livepatch-6_4_0-150700_7_59-rt, cpe:/o:novell:suse_linux:15

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: 7/11/2026

Vulnerability Publication Date: 5/26/2026

Reference Information

CVE: CVE-2026-46120, CVE-2026-46173, CVE-2026-46227, CVE-2026-52909, CVE-2026-52943, CVE-2026-53362

SuSE: SUSE-SU-2026:2863-1