Debian dla-4320 : u-boot - security update

high Nessus Plugin ID 266339

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4320 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-4320-1 [email protected] https://www.debian.org/lts/security/ Daniel Leidert October 01, 2025 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : u-boot Version : 2021.01+dfsg-5+deb11u2 CVE ID : CVE-2021-27097 CVE-2021-27138 Debian Bug : 983269 983270

Multiple vulnerabilties were discovered in u-boot, a boot loader for embedded systems.

CVE-2021-27097

Strange modifications of the FIT can introduce security risks.

CVE-2021-27138

Using unit addresses in a FIT can pose security risks.

For Debian 11 bullseye, these problems have been fixed in version 2021.01+dfsg-5+deb11u2.

We recommend that you upgrade your u-boot packages.

For the detailed security status of u-boot please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/u-boot

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS Attachment:
signature.asc Description: This is a digitally signed message part

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the u-boot packages.

Plugin Details

Severity: High

ID: 266339

File Name: debian_DLA-4320.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 10/1/2025

Updated: 10/1/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2021-27138

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:u-boot-tools, p-cpe:/a:debian:debian_linux:u-boot-omap, p-cpe:/a:debian:debian_linux:u-boot-amlogic, p-cpe:/a:debian:debian_linux:u-boot-sunxi, p-cpe:/a:debian:debian_linux:u-boot-qemu, p-cpe:/a:debian:debian_linux:u-boot-qcom, p-cpe:/a:debian:debian_linux:u-boot, p-cpe:/a:debian:debian_linux:u-boot-rpi, p-cpe:/a:debian:debian_linux:u-boot-mvebu, p-cpe:/a:debian:debian_linux:u-boot-exynos, p-cpe:/a:debian:debian_linux:u-boot-rockchip, p-cpe:/a:debian:debian_linux:u-boot-imx, p-cpe:/a:debian:debian_linux:u-boot-tegra

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 10/1/2025

Vulnerability Publication Date: 2/17/2021

Reference Information

CVE: CVE-2021-27097, CVE-2021-27138

Detections

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