NULL pointer dereference in Linux Kernel
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 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (16.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- github.com/torvalds/linux/commit/504a10d9e46bc37b23d0a1ae2f28973c8516e636 (Patch)
- www.debian.org/security/2023/dsa-5448 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2023/dsa-5480 (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230929-0005/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/10/msg00027.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2024/01/msg00004.html (mailing-list)
Frequently asked questions
- What is CVE-2023-3212?
- CVE-2023-3212 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 4.4/10. Published 2023-06-23.
- How severe is CVE-2023-3212?
- Medium severity. CVSS v3 base score is 4.4 out of 10.