Description
In trim_device of f2fs_format_utils.c, it is possible that the data partition is not wiped during a factory reset. This could lead to local information disclosure after factory reset with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112868088.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Android | Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9 | — |
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | f2fs-tools | No fix yet | — |
| Ubuntu 26.04 LTS | f2fs-tools | No fix yet | — |
| Ubuntu 25.10 | f2fs-tools | No fix yet | — |
| Ubuntu 24.04 LTS | f2fs-tools | No fix yet | — |
| Ubuntu 22.04 LTS | f2fs-tools | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | f2fs-tools | No fix yet | — |
| Ubuntu 18.04 LTS | f2fs-tools | No fix yet | — |
| Ubuntu 16.04 LTS | f2fs-tools | No fix yet | — |