PT-2021-17246 · Unknown+2 · Das U-Boot+2

Arie Haenel + 2 · Published 2021-02-17 · Updated 2025-10-01 · CVE-2021-27097

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Das U-Boot versions prior to 2021.04-rc2

Description: The issue concerns the boot loader in Das U-Boot, which mishandles a modified FIT.

Recommendations: For versions prior to 2021.04-rc2, update to version 2021.04-rc2 or later to resolve the issue.

Fix

Related Identifiers

ALT-PU-2021-1610

CVE-2021-27097

DLA-4320-1

OESA-2021-1130

Affected Products

Alt Linux

Das U-Boot

Debian

References · 19

• https://github.com/u-boot/u-boot/commit/6f3c2d8aa5e6cbd80b5e869bbbddecb66c329d01 · Patch
• https://github.com/u-boot/u-boot/commit/8a7d4cf9820ea16fabd25a6379351b4dc291204b · Patch
• https://github.com/u-boot/u-boot/commit/b6f4c757959f8850e1299a77c8e5713da78e8ec0 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-27097 · Security Note
• https://osv.dev/vulnerability/CVE-2021-27097 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-27097 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-27097 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-27097 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-27097 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-4320-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2021-1130 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-27097 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2021-27097 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27138 · Security Note
• https://lists.debian.org/debian-lts-announce/2025/09/msg00037.html · Note