CVE-2021-44879

PoC —

CVSS 3.1

5.5 medium

EPSS

1%p67

Published

Feb 14, 2022 (Feb 14, 2022)

Modified

Jun 17, 2026

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.

Vendors: linux
Products: linux kernel
Weakness: CWE-476
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.2%)

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