CVE-2023-3338
Vulnerability Summary
Timeline
Description
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.
CVSS Metrics
- v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 8.03%• Percentile: 95%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- debian•linux
< 5.10.191-1 | < 6.1.4-1 | < 6.1.4-1 | < 6.1.4-1
- ubuntu•linux
all | < 5.4.0-164.181 | < 5.15.0-86.96
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | < 5.4.0-1111.120 | < 5.15.0-1047.52
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1047.52~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1111.120~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-fips
all | < 5.4.0-1111.120+fips1
- ubuntu•linux-aws-hwe
all
- ubuntu•linux-azure
all | all | < 5.4.0-1117.124 | < 5.15.0-1049.56
- ubuntu•linux-azure-4.15
all
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1049.56~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1117.124~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | < 5.15.0-1049.56.1
- ubuntu•linux-azure-fde-5.15
< 5.15.0-1114.123~20.04.1
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fips
all | < 5.4.0-1117.124+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1072.78 | < 5.15.0-1027.29
- ubuntu•linux-fips
all | < 5.4.0-1086.95
- ubuntu•linux-gcp
all | all | < 5.4.0-1115.124 | < 5.15.0-1044.52
- ubuntu•linux-gcp-4.15
all
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1044.52~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1115.124~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-fips
all | < 5.4.0-1115.124+fips1
- ubuntu•linux-gke
all | < 5.15.0-1044.49
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
all
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop
< 5.4.0-1078.82 | < 5.15.0-1030.35
- ubuntu•linux-gkeop-5.15
< 5.15.0-1030.35~20.04.1
- ubuntu•linux-gkeop-5.4
all
- ubuntu•linux-hwe
all | all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
all
Showing first 50 affected entries in server-rendered view.
References (18)
- https://access.redhat.com/security/cve/CVE-2023-3338
- https://bugzilla.redhat.com/show_bug.cgi?id=2218618
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://seclists.org/oss-sec/2023/q2/276
- https://security.netapp.com/advisory/ntap-20230824-0005/
- https://www.debian.org/security/2023/dsa-5480
- https://ubuntu.com/security/CVE-2023-3338
- https://www.openwall.com/lists/oss-security/2023/06/24/3
- https://git.kernel.org/linus/1202cdd665315c525b5237e96e0bedc76d7e754f
- https://ubuntu.com/security/notices/USN-6416-1
- https://ubuntu.com/security/notices/USN-6417-1
- https://ubuntu.com/security/notices/USN-6416-2
- https://ubuntu.com/security/notices/USN-6416-3
- https://ubuntu.com/security/notices/USN-6445-1
- https://ubuntu.com/security/notices/USN-6445-2
- https://www.cve.org/CVERecord?id=CVE-2023-3338
- https://security-tracker.debian.org/tracker/CVE-2023-3338