CVE-2023-3212
MEDIUMLinux Kernel < 6.4 - NULL Pointer Dereference in GFS2 File System Evict Code
Title source: llmDescription
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.
References (7)
Core 7
Core References
Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2214348
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230929-0005/
Third Party Advisory vendor-advisory
https://www.debian.org/security/2023/dsa-5448
Third Party Advisory vendor-advisory
https://www.debian.org/security/2023/dsa-5480
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
Mailing List mailing-list
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
Scores
CVSS v3
4.4
EPSS
0.0001
EPSS Percentile
2.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (13)
debian/debian_linux
10.0
debian/debian_linux
11.0
debian/debian_linux
12.0
fedoraproject/fedora
38
linux/linux_kernel
6.4 rc1
linux/linux_kernel
< 6.4
netapp/h300s_firmware
netapp/h410c_firmware
netapp/h410s_firmware
netapp/h500s_firmware
... and 3 more
Published
Jun 23, 2023
Tracked Since
Feb 18, 2026