SUSE SLES15 Security Update : kernel (Live Patch 30 for SUSE Linux Enterprise 15 SP6) (SUSE-SU-2026:4540-1)

high Nessus Plugin ID 363774

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-2026:4540-1 advisory.

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.130 fixes various security issues:

The following security issues were fixed:

- CVE-2026-63888: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (bsc#1272391).
- CVE-2026-63920: ipv6: validate extension header length before copying to cmsg (bsc#1273012).
- CVE-2026-63944: Bluetooth: hci_sync: fix UAF in hci_le_create_cis_sync (bsc#1273003).
- CVE-2026-64000: net: hsr: fix potential OOB access in supervision frame handling (bsc#1273052).
- CVE-2026-64011: nfc: llcp: Fix use-after-free in llcp_sock_release() (bsc#1276493).
- CVE-2026-64114: ipv4: raw: reject IP_HDRINCL packets with ihl < 5 (bsc#1273833).
- CVE-2026-64121: net: ifb: report ethtool stats over num_tx_queues (bsc#1273837).
- CVE-2026-68121: pppoe: reload header pointer after dev_hard_header() (bsc#1275228).
- CVE-2026-68202: ALSA: seq: close a re-opened queue timer in the destructor (bsc#1275162).
- CVE-2026-74394: RDMA/srpt: fix integer overflow in immediate data length check (bsc#1277409).
- CVE-2026-74612: veth: fix skb length accounting after XDP frag adjustment (bsc#1277506).

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_0-150600_23_130-default package.

See Also

https://bugzilla.suse.com/1272391

https://bugzilla.suse.com/1273003

https://bugzilla.suse.com/1273012

https://bugzilla.suse.com/1273052

https://bugzilla.suse.com/1273833

https://bugzilla.suse.com/1273837

https://bugzilla.suse.com/1275162

https://bugzilla.suse.com/1275228

https://bugzilla.suse.com/1276493

https://bugzilla.suse.com/1277409

https://bugzilla.suse.com/1277506

https://www.suse.com/security/cve/CVE-2026-63888

https://www.suse.com/security/cve/CVE-2026-63920

https://www.suse.com/security/cve/CVE-2026-63944

https://www.suse.com/security/cve/CVE-2026-64000

https://www.suse.com/security/cve/CVE-2026-64011

https://www.suse.com/security/cve/CVE-2026-64114

https://www.suse.com/security/cve/CVE-2026-64121

https://www.suse.com/security/cve/CVE-2026-68121

https://www.suse.com/security/cve/CVE-2026-68202

https://www.suse.com/security/cve/CVE-2026-74394

https://www.suse.com/security/cve/CVE-2026-74612

http://www.nessus.org/u?0c15d59d

Plugin Details

Severity: High

ID: 363774

File Name: suse_SU-2026-4540-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/7/2026

Updated: 10/7/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.35

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.9

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

CVSS Score Source: CVE-2026-64121

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:kernel-livepatch-6_4_0-150600_23_130-default

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: 10/6/2026

Vulnerability Publication Date: 6/4/2026

Reference Information

CVE: CVE-2026-63888, CVE-2026-63920, CVE-2026-63944, CVE-2026-64000, CVE-2026-64011, CVE-2026-64114, CVE-2026-64121, CVE-2026-68121, CVE-2026-68202, CVE-2026-74394, CVE-2026-74612

SuSE: SUSE-SU-2026:4540-1