CVE-2021-27138
7.8
HIGH
CVSS 3.1
EPSS 0.06%
Description
The boot loader in Das U-Boot before 2021.04-rc2 mishandles use of unit addresses in a FIT.
How to fix CVE-2021-27138
To remediate CVE-2021-27138, upgrade the affected package to a fixed version below.
- Alpine/u-boot—upgrade to 2021.04-r0 or later
- Debian/u-boot—upgrade to 2021.01+dfsg-5+deb11u2 or later
Is CVE-2021-27138 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2021.04-r0
- from 0, < 2021.01+dfsg-5+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |