Home/CVE/A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on corrupt gfs2 file s
CVE

CVE-2023-3212

A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on corrupt gfs2 file s

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.

MEDIUM · CVSS 4.4 EPSS 0.00013
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

10
linux kernel< 6.4
linux kernelall versions
fedoraproject fedoraall versions
redhat enterprise linuxall versions
debian linuxall versions
netapp h300s firmwareall versions
netapp h500s firmwareall versions
netapp h700s firmwareall versions
▣

Scoring & Timeline

4.4
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Jun 2023 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

28
rhsaRHSA-2023:6583Moderate
rhsaRHSA-2023:7077Moderate
siemens-csafSSA-806742
siemens-csafSSA-398330
usnUSN-6466-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=2214348Issue TrackingPatchThird Party Advisory
https://github.com/torvalds/linux/commit/504a10d9e46bc37b23d0a1ae2f28973c8516e636Patch
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
https://security.netapp.com/advisory/ntap-20230929-0005/Third Party Advisory
https://www.debian.org/security/2023/dsa-5448Third Party Advisory
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