CVE-2023-3212: Debian Linux

Medium severity, CVSS 4.4. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only; version 12.0 only
• Fedoraproject Fedora: version 38 only
• Linux Linux Kernel: before 6.4 (fixed in 6.4); version 6.4 only
• Netapp h300s Firmware: affected versions not specified
• Netapp h410c Firmware: affected versions not specified
• Netapp h410s Firmware: affected versions not specified
• Netapp h500s Firmware: affected versions not specified
• Netapp h700s Firmware: affected versions not specified
• Red Hat Enterprise Linux: version 8.0 only; version 9.0 only

Published 2023-06-23. Last modified 2026-06-17.