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Fedora 37 : xen (2023-04473fc41e)

critical Nessus Plugin ID 180203

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Synopsis

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

Description

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-04473fc41e advisory.

 update to xen-4.16.5 which includes x86/AMD: Speculative Return Stack Overflow [XSA-434, CVE-2023-20569] x86/Intel: Gather Data Sampling [XSA-435, CVE-2022-40982] remove patches now included upstream

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 arm: Guests can trigger a deadlock on Cortex-A77 [XSA-436, CVE-2023-34320] (#2228238)

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 bugfix for x86/AMD: Zenbleed [XSA-433, CVE-2023-20593]

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 x86/AMD: Zenbleed [XSA-433, CVE-2023-20593]

Tenable has extracted the preceding description block directly from the Fedora 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 xen package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2023-04473fc41e

Plugin Details

Severity: Critical

ID: 180203

File Name: fedora_2023-04473fc41e.nasl

Version: 1.4

Type: local

Agent: unix

Published: 8/27/2023

Updated: 11/14/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.1

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2023-20593

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

CVSS Score Source: CVE-2022-40982

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.5

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:xen, cpe:/o:fedoraproject:fedora:37

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/11/2023

Vulnerability Publication Date: 7/24/2023

Reference Information

CVE: CVE-2022-40982, CVE-2023-20569, CVE-2023-20593, CVE-2023-34320