CVE-2021-44879
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-44879
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-44879.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | affected | | |
| sles | affected | | |
| debian | bookworm | fixed | 5.16.7-1 |
| debian | bullseye | fixed | 5.10.205-2 |
| debian | forky | fixed | 5.16.7-1 |
| debian | sid | fixed | 5.16.7-1 |
| debian | trixie | fixed | 5.16.7-1 |
References
Verify integrity in audit chain (admin only). AS-IS.