Alpine: multiple xen packages: security update to 4.16.2-r1

high Tenable Cloud Security Plugin ID 424679

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause
xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored
or a memory corruption in xenstored causing further damage. Entering the error path can be controlled by
the guest e.g. by exceeding the quota value of maximum nodes per domain. (CVE-2022-42309)

- x86: unintended memory sharing between guests On Intel systems that support the "virtualize APIC accesses"
feature, a guest can read and write the global shared xAPIC page by moving the local APIC out of xAPIC
mode. Access to this shared page bypasses the expected isolation that should exist between two guests.
(CVE-2022-42327)

See Also

https://security.alpinelinux.org/vuln/CVE-2022-42309

https://security.alpinelinux.org/vuln/CVE-2022-42327

Plugin Details

Severity: High

ID: 424679

Version: Revision 1.13

Type: Local

Published: 4/4/2025

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 95.11

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-2022-42309

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 11/1/2022

Reference Information

CVE: CVE-2022-42309, CVE-2022-42327

IAVB: 2022-B-0048-S