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Xen arm32: The cache may not be properly cleaned/invalidated (XSA-437)

low Nessus Plugin ID 180575

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Synopsis

The remote Xen hypervisor installation is missing a security update.

Description

The Arm cache may not be properly cleaned or invalidated due to an arithmetic overflow flaw.

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

Solution

Apply the appropriate patch according to the vendor advisory.

See Also

https://xenbits.xenproject.org/xsa/advisory-437.txt

Plugin Details

Severity: Low

ID: 180575

File Name: xen_server_XSA-437.nasl

Version: 1.5

Type: local

Family: Misc.

Published: 9/7/2023

Updated: 1/15/2024

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Low

Base Score: 1.7

Temporal Score: 1.3

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

CVSS Score Source: CVE-2023-34321

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.9

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

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

Vulnerability Information

CPE: cpe:/o:xen:xen

Required KB Items: Settings/ParanoidReport, installed_sw/Xen Hypervisor

Exploit Ease: No known exploits are available

Patch Publication Date: 9/5/2023

Vulnerability Publication Date: 9/5/2023

Reference Information

CVE: CVE-2023-34321

IAVB: 2023-B-0067-S