SUSE SLES11: kernel-default / kernel-default-base / kernel-ec2 / kernel-ec2-base / etc (SUSE-SU-2026:4639-1)

critical Nessus Plugin ID 365553

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-2026:4639-1 advisory.

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

The following security issues were fixed:

- CVE-2026-64422: net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes (bsc#1273290).
- CVE-2026-64580: xfrm6: clear dst.dev on error to avoid double netdev_put in xfrm6_fill_dst() (bsc#1274037).
- CVE-2026-68376: sctp: patch over auth_hmacs copy overflow (bsc#1274836).
- CVE-2026-72083: target: fix double unmap data sg in core_scsi3_emulate_pro_register_and_move() (bsc#1275535).
- CVE-2026-72322: ipv6: mcast: Fix potential UAF in MLD delayed work (bsc#1275972).
- CVE-2026-72323: ipv4: igmp: Fix potential UAF in igmp_gq_start_timer() (bsc#1275985).
- CVE-2026-72348: netfilter: ip6tables: mark malformed IPv6 extension headers for hotdrop (bsc#1276007).
- CVE-2026-72398: sctp: add INIT verification after cookie unpacking (bsc#1276381).
- CVE-2026-74388: ALSA: seq: oss: Fix UAF at handling events with embedded SysEx data (bsc#1278253).
- CVE-2026-74556: scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer (bsc#1275696).
- CVE-2026-74588: sctp: keep chunk->transport in step with the list it is queued on (bsc#1277766).
- CVE-2026-74597: ip6_tunnel: clear skb2->cb in ip6ip6_err() (bsc#1277493).
- CVE-2026-74630: ipv6: prevent in6_dev_get() from resurrecting inet6_dev (bsc#1278191).
- CVE-2026-74641: ALSA: usx2y: bound the hwdep mmap fault offset (bsc#1278310).
- CVE-2026-74743: macvlan: inherit needed_headroom and needed_tailroom from lowerdev (bsc#1277908).
- CVE-2026-74752: sctp: validate cookie AUTH state before use (bsc#1278315).
- CVE-2026-80785: fbdev: serialize mode sysfs access with lock_fb_info() (bsc#1279619).
- CVE-2026-89479: sctp: stop processing a packet once its association is deleted (bsc#1280786).
- CVE-2026-90088: Bluetooth: RFCOMM: Validate MTU in rfcomm_apply_pn() to prevent infinite loop (bsc#1281397).
- CVE-2026-90104: NFSv4.1: zero referring call lists before decoding (bsc#1281546).

The following non security issue was fixed:

- Disable BATMAN in supported.conf
- Disable CONFIG_BATMAN_ADV (jsc#PED-16892)
- Disable CONFIG_CAN (jsc#PED-17000)

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: Critical

ID: 365553

File Name: suse_SU-2026-4639-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 10/14/2026

Updated: 10/14/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.7

Percentile: 98.95

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-2026-90104

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: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: 10/13/2026

Vulnerability Publication Date: 7/23/2026

Reference Information

CVE: CVE-2026-64422, CVE-2026-64580, CVE-2026-68376, CVE-2026-72083, CVE-2026-72322, CVE-2026-72323, CVE-2026-72348, CVE-2026-72398, CVE-2026-74388, CVE-2026-74556, CVE-2026-74588, CVE-2026-74597, CVE-2026-74630, CVE-2026-74641, CVE-2026-74743, CVE-2026-74752, CVE-2026-80785, CVE-2026-89479, CVE-2026-90088, CVE-2026-90104

SuSE: SUSE-SU-2026:4639-1

Detections

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