SUSE SLES11: kernel-default / kernel-default-base / kernel-ec2 / kernel-ec2-base / etc (SUSE-SU-2026:3809-1)

high Nessus Plugin ID 341639

Synopsis

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

Description

The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3809-1 advisory.

The SUSE Linux Enterprise 11 SP4 kernel was updated to fix various security issues:

The following security issues were fixed:

- CVE-2023-53995: net: ipv4: fix one memleak in __inet_del_ifa() (bsc#1255616).
- CVE-2026-23204: net: add skb_header_pointer_careful() helper (bsc#1258340).
- CVE-2026-52986: netfilter: nf_conntrack_sip: don't use simple_strtoul (bsc#1269289).
- CVE-2026-53131: netfilter: require Ethernet MAC header before using eth_hdr() (bsc#1269773).
- CVE-2026-53196: USB: serial: io_ti: fix heap overflow in get_manuf_info() (bsc#1269986).
- CVE-2026-53224: sctp: validate embedded INIT chunk and address list lengths in cookie (bsc#1269997).
- CVE-2026-53246: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (bsc#1269988).
- CVE-2026-53256: Bluetooth: RFCOMM: hold listener socket in rfcomm_connect_ind() (bsc#1269993).
- CVE-2026-63806: KVM: Replace guest-triggerable BUG_ON() in ioeventfd datamatch with get_unaligned() (bsc#1272268).
- CVE-2026-63922: ipv6: exthdrs: recompute network header pointer once (bsc#1272855).
- CVE-2026-63924: ipv6: exthdrs: recompute network header pointer once (bsc#1272855).
- CVE-2026-64114: ipv4: raw: reject IP_HDRINCL packets with ihl < 5 (bsc#1273742).
- CVE-2026-64564: sctp: don't free the ASCONF's own transport in DEL-IP processing (bsc#1274072).

The following non security issues were fixed:

- scripts/cve_tools/kpm-bot: quote branch pattern properly.
- sctp: validate embedded address parameter length (git-fixes).

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 packages.

Plugin Details

Severity: High

ID: 341639

File Name: suse_SU-2026-3809-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 8/31/2026

Updated: 8/31/2026

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: Critical

Score: 9

Percentile: 99.75

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2026-53196

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

CVSS Score Source: CVE-2026-23204

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:11, p-cpe:/a:novell:suse_linux:kernel-default-base, p-cpe:/a:novell:suse_linux:kernel-default, p-cpe:/a:novell:suse_linux:kernel-ec2-base, p-cpe:/a:novell:suse_linux:kernel-ec2, p-cpe:/a:novell:suse_linux:kernel-source, p-cpe:/a:novell:suse_linux:kernel-trace-base, p-cpe:/a:novell:suse_linux:kernel-trace, p-cpe:/a:novell:suse_linux:kernel-xen-base, p-cpe:/a:novell:suse_linux:kernel-xen

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: 8/26/2026

Vulnerability Publication Date: 7/21/2021

Reference Information

CVE: CVE-2023-53995, CVE-2026-23204, CVE-2026-52986, CVE-2026-53131, CVE-2026-53196, CVE-2026-53224, CVE-2026-53246, CVE-2026-53256, CVE-2026-53359, CVE-2026-63806, CVE-2026-63922, CVE-2026-63924, CVE-2026-64114, CVE-2026-64564

SuSE: SUSE-SU-2026:3809-1

Detections

Analytics