CVE-2021-27138 — U-boot vulnerability

4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 80.23%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Denx U-bootDebian U-boot
Timeline
PublishedFeb 17
Latest updateMay 24

Description

The boot loader in Das U-Boot before 2021.04-rc2 mishandles use of unit addresses in a FIT.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages3 packages

▶debiandebian/u-boot< u-boot 2021.07+dfsg-2 (bookworm)
▶Debiandenx/u-boot< 2021.01+dfsg-5+deb11u2+3
▶NVDdenx/u-boot2021.01+1

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-grrh-mjp7-g52c: The boot loader in Das U-Boot before 2021↗2022-05-24
▶
OSV
CVE-2021-27138: The boot loader in Das U-Boot before 2021↗2021-02-17
▶

📋Vendor Advisories

1
Debian
CVE-2021-27138: u-boot - The boot loader in Das U-Boot before 2021.04-rc2 mishandles use of unit addresse...↗2021
▶