CVE-2018-18440

Published: 20 November 2018

DENX U-Boot through 2018.09-rc1 has a locally exploitable buffer overflow via a crafted kernel image because filesystem loading is mishandled.

Priority

Negligible

CVSS 3 base score: 7.8

Status

Package Release Status
u-boot
Launchpad, Ubuntu, Debian
Upstream
Released (2019.04)
Ubuntu 20.10 (Groovy Gorilla) Not vulnerable
(2020.04+dfsg-2ubuntu1)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(2019.07+dfsg-1ubuntu6)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(2019.07+dfsg-1ubuntu4~18.04.1)
Ubuntu 16.04 LTS (Xenial Xerus) Needed

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needed)
Ubuntu 12.04 ESM (Precise Pangolin) Does not exist

Patches:
Upstream: https://github.com/u-boot/u-boot/commit/5b978dab7b8b534e9bf50b97a875dbc9c15cfb54
Upstream: https://github.com/u-boot/u-boot/commit/aa3c609e2be5a837e7b81e308d47f55b67666bd6
Upstream: https://github.com/u-boot/u-boot/commit/d67f33cf4ee72fd9bc64d68cb51a77798b65cf3a
Upstream: https://github.com/u-boot/u-boot/commit/0f7c51a676ca73f7950a7e4f9d8454e57324270c
Upstream: https://github.com/u-boot/u-boot/commit/4cc8af8037ebabd674d0a6bed202b0c711dc7699
Upstream: https://github.com/u-boot/u-boot/commit/aa3c609e2be5a837e7b81e308d47f55b67666bd6