NULL pointer dereference in Linux Kernel
CVE-2021-44879
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.
EPSS: 0.012 (66.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Mailing List, Vendor Advisory)
- cve@mitre.org (Exploit, Issue Tracking, Vendor Advisory)
- cve@mitre.org
- cve@mitre.org (Patch, Mailing List, Vendor Advisory)
- cve@mitre.org (mailing-list)
- cve@mitre.org (mailing-list)
Frequently asked questions
- What is CVE-2021-44879?
- CVE-2021-44879 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2022-02-14.
- How severe is CVE-2021-44879?
- Medium severity. CVSS v3 base score is 5.5 out of 10.