CVE-2021-27138
Published: 17 February 2021
The boot loader in Das U-Boot before 2021.04-rc2 mishandles use of unit addresses in a FIT.
Notes
Author | Note |
---|---|
mdeslaur | This fix changes behaviour and would introduce regressions in existing installations. We will not be fixing this issue in Ubuntu stable releases. See here for an example: https://lore.kernel.org/lkml/20210409192128.3998606-1-nathan@kernel.org/ https://www.linux4sam.org/bin/view/Linux4SAM/HasherrorwhenbootingFITimage https://github.com/linux4sam/dt-overlay-at91/commit/7ad311899af48efbb43f0e3ac935da5981bd4b2d b6f4c757959f8850e1299a77c8e5713da78e8ec0 is the complete patch set that fixes both CVE-2021-27097 and CVE-2021-27138 |
Priority
Status
Package | Release | Status |
---|---|---|
u-boot Launchpad, Ubuntu, Debian |
bionic |
Ignored
|
focal |
Ignored
|
|
hirsute |
Ignored
(end of life)
|
|
jammy |
Not vulnerable
(2021.07+dfsg-0ubuntu2)
|
|
kinetic |
Not vulnerable
(2021.07+dfsg-0ubuntu2)
|
|
xenial |
Ignored
|
|
impish |
Not vulnerable
(2021.07+dfsg-0ubuntu2)
|
|
groovy |
Ignored
(end of life)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2021.04~rc3+dfsg-1)
|
|
Patches: upstream: https://github.com/u-boot/u-boot/commit/3f04db891a353f4b127ed57279279f851c6b4917 upstream: https://github.com/u-boot/u-boot/commit/79af75f7776fc20b0d7eb6afe1e27c00fdb4b9b4 upstream: https://github.com/u-boot/u-boot/commit/b6f4c757959f8850e1299a77c8e5713da78e8ec0 (complete patch) |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |