SUSE SLES15 Security Update : kernel (Live Patch 43 for SUSE Linux Enterprise 15 SP4) (SUSE-SU-2026:3728-1)

high Nessus Plugin ID 339746

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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-2026:3728-1 advisory.

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.173 fixes various security issues:

The following security issues were fixed:

- CVE-2023-53995: net: ipv4: fix one memleak in __inet_del_ifa() (bsc#1269284).
- CVE-2025-40204,CVE-2026-53224,CVE-2026-53246: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (bsc#1253437 bsc#1270023 bsc#1270024).
- CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253437).
- CVE-2026-23449: net/sched: teql: Fix double-free in teql_master_xmit (bsc#1262213).
- CVE-2026-31629: nfc: llcp: add missing return after LLCP_CLOSED checks (bsc#1263791).
- CVE-2026-31759: usb: ulpi: fix double free in ulpi_register_interface() error path (bsc#1264078).
- CVE-2026-43077: crypto: algif_aead - Fix minimum RX size check for decryption (bsc#1265306).
- CVE-2026-43110: wifi: brcmfmac: validate bsscfg indices in IF events (bsc#1264483).
- CVE-2026-43206: drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set() (bsc#1266668).
- CVE-2026-46037: ipv4: icmp: validate reply type before using icmp_pointers (bsc#1267362).
- CVE-2026-46274: io-wq: check that the predecessor is hashed in io_wq_remove_pending() (bsc#1268624).
- CVE-2026-46319: net/sched: act_ct: Only release RCU read lock after ct_ft (bsc#1268281).
- CVE-2026-46331: net/sched: fix pedit partial COW leading to page cache (bsc#1267625).
- CVE-2026-52923: ipc: limit next_id allocation to the valid ID range (bsc#1269034).
- CVE-2026-52956: libceph: Fix potential out-of-bounds access in __ceph_x_decrypt() (bsc#1272139).
- CVE-2026-52972: crypto: af_alg - Cap AEAD AD length to 0x80000000 (bsc#1269196).
- CVE-2026-53133: RDMA/umem: Fix truncation for block sizes >= 4G (bsc#1269822).
- CVE-2026-64600: xfs: resample the data fork mapping after cycling ILOCK (RefluXFS) (bsc#1271543).

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_21-150400_24_173-default package.

Plugin Details

Severity: High

ID: 339746

File Name: suse_SU-2026-3728-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 8/26/2026

Updated: 8/26/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.36

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-31759

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:kernel-livepatch-5_14_21-150400_24_173-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: 8/24/2026

Vulnerability Publication Date: 7/21/2021

Reference Information

CVE: CVE-2023-53995, CVE-2025-40204, CVE-2026-23449, CVE-2026-31629, CVE-2026-31759, CVE-2026-43077, CVE-2026-43110, CVE-2026-43206, CVE-2026-46037, CVE-2026-46274, CVE-2026-46319, CVE-2026-46331, CVE-2026-52923, CVE-2026-52956, CVE-2026-52972, CVE-2026-53133, CVE-2026-53224, CVE-2026-53246, CVE-2026-64600

SuSE: SUSE-SU-2026:3728-1

Detections

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