Azure Linux 3.0 Security Update: edk2 / hvloader (CVE-2024-38796)

medium Nessus Plugin ID 244838

Synopsis

The remote Azure Linux host is missing one or more security updates.

Description

The version of edk2 / hvloader installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-38796 advisory.

- EDK2 contains a vulnerability in the PeCoffLoaderRelocateImage(). An Attacker May cause memory corruption due to an overflow via an adjacent network. A successful exploit of this vulnerability May lead to a loss of Confidentiality, Integrity, and/or Availability. (CVE-2024-38796)

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://nvd.nist.gov/vuln/detail/CVE-2024-38796

Plugin Details

Severity: Medium

ID: 244838

File Name: azure_linux_CVE-2024-38796.nasl

Version: 1.1

Type: local

Published: 8/7/2025

Updated: 8/7/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.7

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2024-38796

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

Vulnerability Information

CPE: p-cpe:/a:microsoft:azure_linux:edk2-tools, p-cpe:/a:microsoft:azure_linux:edk2-ovmf, p-cpe:/a:microsoft:azure_linux:edk2-experimental, p-cpe:/a:microsoft:azure_linux:hvloader, p-cpe:/a:microsoft:azure_linux:edk2-ovmf-xen, p-cpe:/a:microsoft:azure_linux:edk2-hvloader, x-cpe:/o:microsoft:azure_linux, p-cpe:/a:microsoft:azure_linux:edk2-tools-python, p-cpe:/a:microsoft:azure_linux:edk2-ext4, p-cpe:/a:microsoft:azure_linux:edk2-debuginfo, p-cpe:/a:microsoft:azure_linux:edk2-tools-doc, p-cpe:/a:microsoft:azure_linux:edk2-ovmf-ia32

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/6/2025

Vulnerability Publication Date: 9/27/2024

Reference Information

CVE: CVE-2024-38796