NULL pointer dereference in Linux Kernel
CVE-2023-3338
A null pointer dereference flaw was found in the Linux kernel's DECnet networking protocol. This issue could allow a remote user to crash the system.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.080 (94.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.080 · newest: 0.080 · change: 0.000
Affected products
- Linux Kernel
- NetApp Active Iq Unified Manager
- Debian Linux — versions 10.0, 11.0
- Fedora
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Kernel — versions 6.5-rc1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/security/cve/CVE-2023-3338 (Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Issue Tracking)
- lists.debian.org/debian-lts-announce/2023/07/msg00030.html (Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/10/msg00027.html (Mailing List, Third Party Advisory)
- seclists.org/oss-sec/2023/q2/276 (Exploit, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230824-0005/ (Third Party Advisory)
- www.debian.org/security/2023/dsa-5480 (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-3338?
- CVE-2023-3338 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2023-06-30.
- How severe is CVE-2023-3338?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-3338 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.