CVEs-PoC/2021/CVE-2021-44879.md

CVE-2021-44879

Description

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.

POC

Reference

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9056d6489f5a41cfbb67f719d2c0ce61ead72d9f

Github

No PoCs found on GitHub currently.