SUSE SLES15 Security Update : xen (SUSE-SU-2021:2925-1)

high Nessus Plugin ID 153013

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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-2021:2925-1 advisory.

Security issues fixed:

- CVE-2021-28693: xen/arm: Boot modules are not scrubbed (bsc#1186428)
- CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429)
- CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433)
- CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434)

- CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues on x86 (XSA-378)(bsc#1189373).
- CVE-2021-28697: grant table v2 status pages may remain accessible after de-allocation (XSA-379)(bsc#1189376).
- CVE-2021-28698: long running loops in grant table handling (XSA-380)(bsc#1189378).
- CVE-2021-28699: inadequate grant-v2 status frames array bounds check (XSA-382)(bsc#1189380).
- CVE-2021-28700: No memory limit for dom0less domUs (XSA-383)(bsc#1189381).

Other issues fixed:

- Fixed 'Panic on CPU 0: IO-APIC + timer doesn't work!' (bsc#1180491)
- Upstream bug fixes (bsc#1027519)
- Dom0 hangs when pinning CPUs for dom0 with HVM guest (bsc#1179246).
- Fixed Xen SLES11SP4 guest hangs on cluster (bsc#1188050).
- Fixed PVHVM SLES12 SP5 - NMI Watchdog CPU Stuck (bsc#1180846).
- Core cannot be opened when using xl dump-core of VM with PTF (bsc#1183243).
- Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).

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: 153013

File Name: suse_SU-2021-2925-1.nasl

Version: 1.9

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/4/2021

Updated: 6/25/2026

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: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.1

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

CVSS Score Source: CVE-2021-28692

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

CVSS Score Source: CVE-2021-28697

Vulnerability Information

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

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: 9/2/2021

Vulnerability Publication Date: 6/9/2021

Reference Information

CVE: CVE-2021-0089, CVE-2021-28690, CVE-2021-28692, CVE-2021-28693, CVE-2021-28694, CVE-2021-28695, CVE-2021-28696, CVE-2021-28697, CVE-2021-28698, CVE-2021-28699, CVE-2021-28700

IAVB: 2021-B-0044-S, 2021-B-0060-S

SuSE: SUSE-SU-2021:2925-1

Detections

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