SUSE SLES15 Security Update : kernel (Live Patch 52 for SUSE Linux Enterprise 15 SP4) (SUSE-SU-2026:2888-1)

high Nessus Plugin ID 326702

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-2026:2888-1 advisory.

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.209 fixes various security issues

The following security issues were fixed:

- CVE-2026-23393: bridge: cfm: Fix race condition in peer_mep deletion (bsc#1260524).
- CVE-2026-31533: net/tls: fix use-after-free in -EBUSY error path of tls_do_encryption (bsc#1262759).
- CVE-2026-31570: can: gw: fix OOB heap access in cgw_csum_crc8_rel() (bsc#1263118).
- CVE-2026-31586: mm: blk-cgroup: fix use-after-free in cgwb_release_workfn() (bsc#1263177).
- CVE-2026-31685: netfilter: ip6t_eui64: reject invalid MAC header for all packets (bsc#1263670).
- CVE-2026-31758: usb: usbtmc: Flush anchored URBs in usbtmc_release (bsc#1264094).
- CVE-2026-43025: netfilter: ctnetlink: ignore explicit helper on new expectations (bsc#1264253).
- CVE-2026-43027: netfilter: nf_conntrack_helper: pass helper to expect cleanup (bsc#1264252).
- CVE-2026-43037: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (bsc#1265197).
- CVE-2026-43190: netfilter: xt_tcpmss: check remaining length before reading optlen (bsc#1264849).
- CVE-2026-43437: ALSA: pcm: fix use-after-free on linked stream runtime in snd_pcm_drain() (bsc#1265127).
- CVE-2026-43494: RDS zerocopy attack aka PinTheft (bsc#1265945).
- CVE-2026-43501: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows (bsc#1266015).
- CVE-2026-45970: bonding: alb: fix UAF in rlb_arp_recv during bond up/down (bsc#1267206).
- 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-2026-46243: smb: client: reject userspace cifs.spnego descriptions (CIFSwitch) (bsc#1266265).
- 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).

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_209-default package.

Plugin Details

Severity: High

ID: 326702

File Name: suse_SU-2026-2888-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

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: 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-2026-43027

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: p-cpe:/a:novell:suse_linux:kernel-livepatch-5_14_21-150400_24_209-default, cpe:/o:novell:suse_linux:15

Required KB Items: Host/SuSE/rpm-list, Host/local_checks_enabled, Host/cpu, Host/SuSE/release

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/13/2026

Vulnerability Publication Date: 3/25/2026

Reference Information

CVE: CVE-2026-23393, CVE-2026-31533, CVE-2026-31570, CVE-2026-31586, CVE-2026-31685, CVE-2026-31758, CVE-2026-43025, CVE-2026-43027, CVE-2026-43037, CVE-2026-43190, CVE-2026-43437, CVE-2026-43494, CVE-2026-43501, CVE-2026-45970, CVE-2026-46120, CVE-2026-46173, CVE-2026-46227, CVE-2026-46243, CVE-2026-52909, CVE-2026-52943

SuSE: SUSE-SU-2026:2888-1

Detections

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