What is CVE-2023-3212?

CVE-2023-3212 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.4 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2023-3212 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-3212?

CVE-2023-3212 has a CVSS score of 4.4 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2023-3212?

No patch is currently available for CVE-2023-3212. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-3212 actively exploited?

CVE-2023-3212 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2023-3212

Medium

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.

Package Linux Kernel

Published 2023-06-23

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

4.4

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-476

CVE-2023-3212 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2023-3212 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html

Mailing List Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
Security
https://security.netapp.com/advisory/ntap-20230929-0005/

Third Party Advisory
Debian Security
https://www.debian.org/security/2023/dsa-5448

Third Party Advisory
Debian Security
https://www.debian.org/security/2023/dsa-5480

Third Party Advisory
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=2214348
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/504a10d9e46bc37b23d0a1ae2f28973c8516e636
Patch

Details

CVE ID CVE-2023-3212

Severity Medium

CVSS score 4.4 / 10

CVSS version 3.1

Published 2023-06-23

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-3212?

CVE-2023-3212 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.4 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2023-3212 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-3212?

CVE-2023-3212 has a CVSS score of 4.4 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2023-3212?

No patch is currently available for CVE-2023-3212. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-3212 actively exploited?

No — CVE-2023-3212 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →