Description
Das U-Boot versions 2019.07-rc1 through 2019.07-rc4 can double-free a cached block of data when listing files in a crafted ext4 filesystem.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | u-boot | 2020.01+dfsg-1 | — |
| Debian 13 | u-boot | 2020.01+dfsg-1 | — |
| Debian 12 | u-boot | 2020.01+dfsg-1 | — |