imPC@ndo IT

Tracker / CVE-2021-44879

CVE-2021-44879

Medium 5.5

In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.

Affected products and versions

linux linux_kernel · … → 5.16.3

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References