SUSE SLES15: xen / xen-devel / xen-libs / xen-tools / xen-tools-domU / etc (SUSE-SU-2026:4641-1)

high Nessus Plugin ID 366057

Synopsis

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

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4641-1 advisory.

Security issues fixed:

- CVE-2026-79609: x86: XPTI may break on huge-memory systems (bsc#1283321).
- CVE-2026-79610: grant-table: double version change race (bsc#1283322).
- CVE-2026-79611: VMX: VMentry failure with branch tracing and blocked states (bsc#1283323).
- CVE-2026-102700: gnttab: cache-flush handling may cause page reference leak (bsc#1283325).

Non security issue fixed:

- Xen: Missing upstream bug fixes (bsc#1027519).

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.

See Also

https://bugzilla.suse.com/1027519

https://bugzilla.suse.com/1283321

https://bugzilla.suse.com/1283322

https://bugzilla.suse.com/1283323

https://bugzilla.suse.com/1283325

https://www.suse.com/security/cve/CVE-2026-102700

https://www.suse.com/security/cve/CVE-2026-79609

https://www.suse.com/security/cve/CVE-2026-79610

https://www.suse.com/security/cve/CVE-2026-79611

http://www.nessus.org/u?6ff96dfb

Plugin Details

Severity: High

ID: 366057

File Name: suse_SU-2026-4641-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/15/2026

Updated: 10/15/2026

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: Medium

Score: 4.8

Percentile: 57.98

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-79610

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:xen-devel, p-cpe:/a:novell:suse_linux:xen-libs, p-cpe:/a:novell:suse_linux:xen-tools-domu, p-cpe:/a:novell:suse_linux:xen-tools-xendomains-wait-disk, p-cpe:/a:novell:suse_linux:xen-tools, p-cpe:/a:novell:suse_linux:xen

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/13/2026

Vulnerability Publication Date: 9/10/2026

Reference Information

CVE: CVE-2026-102700, CVE-2026-79609, CVE-2026-79610, CVE-2026-79611

IAVB: 2026-B-0250

SuSE: SUSE-SU-2026:4641-1