Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2023-3212
n/a Linux kernel (gfs2 file system) — A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel.
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L H N U N N H 4.4 .0028 18.9 —
AFFECTED
Product Versions Fixed
Linux kernel (gfs2 file system) Fixed in kernel 6.4-rc2 – —
TIMELINE
Jun 12 Reserved by redhat
Jun 23 Published (CNA: redhat)
Oct 14 ENRICHED — CVE-2023-3212 (Linux kernel (gfs2 file system)). Received CVSS 4.4 and CPE data from NVD.
Description
A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on corrupt gfs2 file systems when the evict code tries to reference the journal descriptor structure after it has been freed and set to NULL. A privileged local user could use this flaw to cause a kernel panic.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| June 12, 2023 | Reserved | Reserved by redhat |
| June 23, 2023 | Published | Published (CNA: redhat) |
| October 14, 2026 | ENRICHED | ENRICHED — CVE-2023-3212 (Linux kernel (gfs2 file system)). Received CVSS 4.4 and CPE data from NVD. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| n/a | Linux kernel (gfs2 file system) | — | Fixed in kernel 6.4-rc2 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-3212 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
