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CVE-2023-3212

MEDIUM
4.4
CVSS Score
Published: June 23, 2023 at 12:00 AM UTC
Updated: October 14, 2026 at 09:17 PM UTC
10 products affected across 5 vendorsLinux KernelDebian LinuxFedora· also runs on 5 platforms

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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
10.011.012.0
Fedora· Fedora Projectrpm
95%
38
Linux Kernel· Linux
95%
v < 6.46.46.4 rc1
Affected range stops below 6.4, so it looks safe — our inference, not a vendor statement
H300S Firmware· NetAppdrupal
95%
All versions
netapp-h300s (same device)
H410C Firmware· NetAppdrupal
95%
All versions
netapp-h410c (same device)
H410S Firmware· NetAppdrupal
95%
All versions
netapp-h410s (same device)
H500S Firmware· NetAppdrupal
95%
All versions
netapp-h500s (same device)
H700S Firmware· NetAppdrupal
95%
All versions
netapp-h700s (same device)
Enterprise Linux· Red Hatrpm
95%
8.09.0
Kernel· Red Hat
60%
All versions
Vendor states this is fixed in 6.4-rc2 (unaffected)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

References (9)

Issue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2214348
Patch
Source: [email protected]
https://github.com/torvalds/linux/commit/504a10d9e46bc37b23d0a1ae2f28973c8516e636
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
Mailing List
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20230929-0005/
Vendor AdvisoryThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2023/dsa-5448
Vendor AdvisoryThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2023/dsa-5480
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

CVSS

4.4MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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