DEBIAN-CVE-2023-3212

Advisory lineage Upstream: 1 Downstream: 4
Published: 23 Jun 2023, 20:15
Last modified:28 Apr 2026, 20:26

Vulnerability Summary

Overall Risk (default)
low
18/100
CVSS Score
4.4 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Jun 2023, 20:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:26
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1MEDIUMScore: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debianlinux

    < 5.10.191-1 | < 6.1.37-1 | < 6.3.7-1 | < 6.3.7-1

References (1)