A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel.

Timeline

Detection, updates, and resolution for this record.

1. Jun 23, 2023 · NIST NVD

   Detected

   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.

2. Oct 14, 2026 · NIST NVD

   Updated

   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

• cpe debian/debian linux10.0
• cpe debian/debian linux11.0
• cpe debian/debian linux12.0
• cpe fedoraproject/fedora38
• cpe linux/linux kernelversion unspecified
• cpe linux/linux kernel6.4
• cpe netapp/h300s firmwareversion unspecified
• cpe netapp/h410s firmwareversion unspecified
• cpe netapp/h500s firmwareversion unspecified
• cpe netapp/h700s firmwareversion unspecified
• cpe redhat/enterprise linux8.0
• cpe redhat/enterprise linux9.0

Sources

• CVE.orgCVE-2023-3212

  Official CVE identifier

  cve.org
• FIRST EPSSCVE-2023-3212

  30-day exploitation probability 0.3%

  first.org
• NIST NVDCVE-2023-3212

  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 f

  nvd.nist.gov

References

• Issue Tracking · bugzilla.redhat.com
• Patch · github.com
• Mailing List · lists.debian.org
• Reference · lists.debian.org
• Third Party Advisory · security.netapp.com
• Third Party Advisory · debian.org
• Third Party Advisory · debian.org