SUSE SLES15 Security Update : kernel (Live Patch 30 for SUSE Linux Enterprise 15 SP5) (SUSE-SU-2026:4516-1)

critical Nessus Plugin ID 363781

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-2026:4516-1 advisory.

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.121 fixes various security issues:

The following security issues were fixed:

- CVE-2026-46116: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (bsc#1267370).
- CVE-2026-63888: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (bsc#1272391).
- CVE-2026-63917: ip6: vti: Use ip6_tnl.net in vti6_changelink() (bsc#1273015).
- CVE-2026-63920: ipv6: validate extension header length before copying to cmsg (bsc#1273012).
- CVE-2026-63921: ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate() (bsc#1273011).
- CVE-2026-63971: sctp: fix race between sctp_wait_for_connect and peeloff (bsc#1272679).
- CVE-2026-63994: tunnels: load network headers after skb_cow() in iptunnel_pmtud_build_icmp[v6]() (bsc#1273051).
- 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-2026-64189: netfilter: ipset: fix race between dump and ip_set_list resize (bsc#1272208).
- 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).

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-5_14_21-150500_55_121-default package.

See Also

https://bugzilla.suse.com/1267370

https://bugzilla.suse.com/1272208

https://bugzilla.suse.com/1272391

https://bugzilla.suse.com/1272679

https://bugzilla.suse.com/1273011

https://bugzilla.suse.com/1273012

https://bugzilla.suse.com/1273015

https://bugzilla.suse.com/1273051

https://bugzilla.suse.com/1273833

https://bugzilla.suse.com/1275162

https://bugzilla.suse.com/1275228

https://bugzilla.suse.com/1276493

https://bugzilla.suse.com/1277409

https://www.suse.com/security/cve/CVE-2026-46116

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

https://www.suse.com/security/cve/CVE-2026-63917

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

https://www.suse.com/security/cve/CVE-2026-63921

https://www.suse.com/security/cve/CVE-2026-63971

https://www.suse.com/security/cve/CVE-2026-63994

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-2026-64189

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

http://www.nessus.org/u?dcd6b420

Plugin Details

Severity: Critical

ID: 363781

File Name: suse_SU-2026-4516-1.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: 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-2026-74394

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:15, p-cpe:/a:novell:suse_linux:kernel-livepatch-5_14_21-150500_55_121-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: 10/5/2026

Vulnerability Publication Date: 5/26/2026

Reference Information

CVE: CVE-2026-46116, CVE-2026-63888, CVE-2026-63917, CVE-2026-63920, CVE-2026-63921, CVE-2026-63971, CVE-2026-63994, CVE-2026-64011, CVE-2026-64114, CVE-2026-64189, CVE-2026-68121, CVE-2026-68202, CVE-2026-74394

SuSE: SUSE-SU-2026:4516-1