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Alpine: multiple xen packages: security update to 4.18.0-r3
medium Tenable Cloud Security Plugin ID 424740
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- PCI devices can make use of a functionality called phantom functions, that when enabled allows the device
to generate requests using the IDs of functions that are otherwise unpopulated. This allows a device to
extend the number of outstanding requests. Such phantom functions need an IOMMU context setup, but failure
to setup the context is not fatal when the device is assigned. Not failing device assignment when such
failure happens can lead to the primary device being assigned to a guest, while some of the phantom
functions are assigned to a different domain. (CVE-2023-46839)
See Also
Plugin Details
Severity: Medium
ID: 424740
Version: Revision 1.16
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: Low
Score: 1.2
Percentile: 0.01
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: 5.3
Temporal Score: 4.6
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
Exploit Ease: No known exploits are available
Vulnerability Publication Date: 11/30/2023
Reference Information
CVE: CVE-2023-46839
IAVB: 2023-B-0090-S