CVE-2023-3212

Advisory lineage Upstream: 0 Downstream: 31
Modified
Published: 23 Jun 2023, 00:00
Last modified:02 Aug 2024, 06:48

Vulnerability Summary

Overall Risk (default)
low
18/100
CVSS Score
4.4 MEDIUM
v3.1 (nvd)
EPSS Score
0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Jun 2023, 00:00
Published
Vulnerability first disclosed
02 Aug 2024, 06:48
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

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

EPSS Trends

Current EPSS score: 0.01%• Percentile: 2%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • debian•debian_linux

    10.0 | 11.0 | 12.0

  • fedoraproject•fedora

    38

  • linux•linux_kernel

    < 6.4 | 6.4:rc1

  • netapp•h300s_firmware

    na

  • netapp•h410c_firmware

    na

  • netapp•h410s_firmware

    na

  • netapp•h500s_firmware

    na

  • netapp•h700s_firmware

    na

  • redhat•enterprise_linux

    8.0 | 9.0

References (7)