CVE-2023-3212

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.

Category

4.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Vendor Advisory debian.org Vendor Advisory debian.org
Affected: n/a Linux kernel (gfs2 file system)
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2214348 patch third party advisory issue tracking
https://github.com/torvalds/linux/commit/504a10d9e46bc37b23d0a1ae2f28973c8516e636 patch
https://www.debian.org/security/2023/dsa-5448 third party advisory vendor advisory
https://www.debian.org/security/2023/dsa-5480 third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20230929-0005/ third party advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html mailing list

Frequently Asked Questions

What is the severity of CVE-2023-3212?
CVE-2023-3212 has been scored as a medium severity vulnerability.
How to fix CVE-2023-3212?
To fix CVE-2023-3212, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-3212 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-3212 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-3212?
CVE-2023-3212 affects n/a Linux kernel (gfs2 file system).
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