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SUSE SLES15 Security Update : xen (SUSE-SU-2024:0264-1)

medium Nessus Plugin ID 189884

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2024:0264-1 advisory.

 - The vulnerability allows a malicious guest to gain access to sensitive information. The vulnerability exists due to an error in phantom functions implementation for PCI devices. Under certain circumstances a malicious guest assigned a PCI device with phantom functions may be able to access memory from a previous owner of the device. (CVE-2023-46839)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1218851

http://www.nessus.org/u?aa4e6fa3

https://www.suse.com/security/cve/CVE-2023-46839

Plugin Details

Severity: Medium

ID: 189884

File Name: suse_SU-2024-0264-1.nasl

Version: 1.0

Type: local

Agent: unix

Published: 2/1/2024

Updated: 2/1/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.7

Temporal Score: 2.7

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

CVSS Score Source: CVE-2023-46839

CVSS v3

Risk Factor: Medium

Base Score: 4.1

Temporal Score: 3.6

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:xen, p-cpe:/a:novell:suse_linux:xen-devel, p-cpe:/a:novell:suse_linux:xen-libs, p-cpe:/a:novell:suse_linux:xen-tools, p-cpe:/a:novell:suse_linux:xen-tools-domu, p-cpe:/a:novell:suse_linux:xen-tools-xendomains-wait-disk, 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: 1/30/2024

Vulnerability Publication Date: 11/30/2023

Reference Information

CVE: CVE-2023-46839

IAVB: 2023-B-0090

SuSE: SUSE-SU-2024:0264-1