Is CVE-2023-3338 in the CISA KEV catalog?

No. CVE-2023-3338 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-3338?

CVE-2023-3338 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-3338?

CVE-2023-3338 has an EPSS score of 8.09% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-3338?

Upgrade linux on debian 11 to 5.10.191-1 or later. Fixes are available for 122 affected products.

CVE & CISA-KEV Catalog

CVE-2023-3338

MEDIUMEPSS 94th pctl

6.5

CVSS v3

NVD

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.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

linuxDebian

Fixed in:5.10.191-1CVE-2023-3338

Fixed in:6.1.4-1CVE-2023-3338

linuxUbuntu

Fixed in:5.4.0-164.181USN-6417-1

Fixed in:5.15.0-86.96USN-6416-1

linux-awsUbuntu

Fixed in:5.4.0-1111.120USN-6417-1

Fixed in:5.15.0-1047.52USN-6416-1

linux-aws-5.15Ubuntu

Fixed in:5.15.0-1047.52~20.04.1USN-6416-1

linux-aws-5.4Ubuntu

Fixed in:5.4.0-1111.120~18.04.1USN-6417-1

linux-azureUbuntu

Fixed in:5.4.0-1117.124USN-6417-1

Fixed in:5.15.0-1049.56USN-6416-1

linux-azure-5.15Ubuntu

Fixed in:5.15.0-1049.56~20.04.1USN-6416-1

linux-azure-5.4Ubuntu

Fixed in:5.4.0-1117.124~18.04.1USN-6417-1

linux-azure-fdeUbuntu

Fixed in:5.15.0-1049.56.1USN-6416-1

linux-azure-fde-5.15Ubuntu

Fixed in:5.15.0-1049.56~20.04.1.1USN-6416-1

linux-bluefieldUbuntu

Fixed in:5.4.0-1072.78USN-6417-1

linux-gcpUbuntu

Fixed in:5.4.0-1115.124USN-6417-1

Fixed in:5.15.0-1044.52USN-6416-1

linux-gcp-5.15Ubuntu

Fixed in:5.15.0-1044.52~20.04.1USN-6416-1

linux-gcp-5.4Ubuntu

Fixed in:5.4.0-1115.124~18.04.1USN-6417-1

linux-gkeUbuntu

Fixed in:5.15.0-1044.49USN-6416-1

linux-gkeopUbuntu

Fixed in:5.4.0-1078.82USN-6417-1

Fixed in:5.15.0-1030.35USN-6416-1

linux-gkeop-5.15Ubuntu

Fixed in:5.15.0-1030.35~20.04.1USN-6416-1

linux-hwe-5.15Ubuntu

Fixed in:5.15.0-86.96~20.04.1USN-6416-2

linux-hwe-5.4Ubuntu

Fixed in:5.4.0-164.181~18.04.1USN-6417-1

linux-ibmUbuntu

Fixed in:5.4.0-1058.63USN-6417-1

Fixed in:5.15.0-1040.43USN-6416-1

linux-ibm-5.15Ubuntu

Fixed in:5.15.0-1040.43~20.04.1USN-6416-1

linux-ibm-5.4Ubuntu

Fixed in:5.4.0-1058.63~18.04.1USN-6417-1

linux-image-5.15.0-1030-gkeopUbuntu

Fixed in:5.15.0-1030.35~20.04.1USN-6416-1

Fixed in:5.15.0-1030.35USN-6416-1

linux-image-5.15.0-1037-nvidiaUbuntu

Fixed in:5.15.0-1037.37USN-6416-1

linux-image-5.15.0-1037-nvidia-lowlatencyUbuntu

Fixed in:5.15.0-1037.37USN-6416-1

linux-image-5.15.0-1040-ibmUbuntu

Fixed in:5.15.0-1040.43~20.04.1USN-6416-1

Fixed in:5.15.0-1040.43USN-6416-1

linux-image-5.15.0-1040-raspiUbuntu

Fixed in:5.15.0-1040.43USN-6416-3

linux-image-5.15.0-1043-intel-iotgUbuntu

Fixed in:5.15.0-1043.49~20.04.1USN-6445-2

Fixed in:5.15.0-1043.49USN-6445-1

linux-image-5.15.0-1044-gcpUbuntu

Fixed in:5.15.0-1044.52~20.04.1USN-6416-1

Fixed in:5.15.0-1044.52USN-6416-1

linux-image-5.15.0-1044-gkeUbuntu

Fixed in:5.15.0-1044.49USN-6416-1

linux-image-5.15.0-1044-kvmUbuntu

Fixed in:5.15.0-1044.49USN-6416-1

linux-image-5.15.0-1045-oracleUbuntu

Fixed in:5.15.0-1045.51~20.04.1USN-6416-2

Fixed in:5.15.0-1045.51USN-6416-1

linux-image-5.15.0-1047-awsUbuntu

Fixed in:5.15.0-1047.52~20.04.1USN-6416-1

Fixed in:5.15.0-1047.52USN-6416-1

linux-image-5.15.0-1049-azureUbuntu

Fixed in:5.15.0-1049.56~20.04.1USN-6416-1

Fixed in:5.15.0-1049.56USN-6416-1

linux-image-5.15.0-1049-azure-fdeUbuntu

Fixed in:5.15.0-1049.56~20.04.1.1USN-6416-1

Fixed in:5.15.0-1049.56.1USN-6416-1

linux-image-5.15.0-86-genericUbuntu

Fixed in:5.15.0-86.96~20.04.1USN-6416-2

Fixed in:5.15.0-86.96USN-6416-1

linux-image-5.15.0-86-generic-64kUbuntu

Fixed in:5.15.0-86.96~20.04.1USN-6416-2

Fixed in:5.15.0-86.96USN-6416-1

linux-image-5.15.0-86-generic-lpaeUbuntu

Fixed in:5.15.0-86.96~20.04.1USN-6416-2

Fixed in:5.15.0-86.96USN-6416-1

linux-image-5.15.0-86-lowlatencyUbuntu

Fixed in:5.15.0-86.95~20.04.1USN-6416-1

Fixed in:5.15.0-86.95USN-6416-1

linux-image-5.15.0-86-lowlatency-64kUbuntu

Fixed in:5.15.0-86.95~20.04.1USN-6416-1

Fixed in:5.15.0-86.95USN-6416-1

linux-image-5.4.0-1023-iotUbuntu

Fixed in:5.4.0-1023.24USN-6417-1

linux-image-5.4.0-1031-xilinx-zynqmpUbuntu

Fixed in:5.4.0-1031.35USN-6417-1

linux-image-5.4.0-1058-ibmUbuntu

Fixed in:5.4.0-1058.63~18.04.1USN-6417-1

Fixed in:5.4.0-1058.63USN-6417-1

linux-image-5.4.0-1072-bluefieldUbuntu

Fixed in:5.4.0-1072.78USN-6417-1

linux-image-5.4.0-1078-gkeopUbuntu

Fixed in:5.4.0-1078.82USN-6417-1

linux-image-5.4.0-1095-raspiUbuntu

Fixed in:5.4.0-1095.106~18.04.1USN-6417-1

Fixed in:5.4.0-1095.106USN-6417-1

linux-image-5.4.0-1100-kvmUbuntu

Fixed in:5.4.0-1100.106USN-6417-1

linux-image-5.4.0-1110-oracleUbuntu

Fixed in:5.4.0-1110.119~18.04.1USN-6417-1

Fixed in:5.4.0-1110.119USN-6417-1

linux-image-5.4.0-1111-awsUbuntu

Fixed in:5.4.0-1111.120~18.04.1USN-6417-1

Fixed in:5.4.0-1111.120USN-6417-1

linux-image-5.4.0-1115-gcpUbuntu

Fixed in:5.4.0-1115.124~18.04.1USN-6417-1

Fixed in:5.4.0-1115.124USN-6417-1

linux-image-5.4.0-1117-azureUbuntu

Fixed in:5.4.0-1117.124~18.04.1USN-6417-1

Fixed in:5.4.0-1117.124USN-6417-1

linux-image-5.4.0-164-genericUbuntu

Fixed in:5.4.0-164.181~18.04.1USN-6417-1

Fixed in:5.4.0-164.181USN-6417-1

linux-image-5.4.0-164-generic-lpaeUbuntu

Fixed in:5.4.0-164.181USN-6417-1

linux-image-5.4.0-164-lowlatencyUbuntu

Fixed in:5.4.0-164.181~18.04.1USN-6417-1

Fixed in:5.4.0-164.181USN-6417-1

linux-image-awsUbuntu

Fixed in:5.4.0.1111.89USN-6417-1

Fixed in:5.15.0.1047.52~20.04.35USN-6416-1

linux-image-aws-lts-20.04Ubuntu

Fixed in:5.4.0.1111.108USN-6417-1

linux-image-aws-lts-22.04Ubuntu

Fixed in:5.15.0.1047.46USN-6416-1

linux-image-azureUbuntu

Fixed in:5.4.0.1117.90USN-6417-1

Fixed in:5.15.0.1049.56~20.04.38USN-6416-1

linux-image-azure-cvmUbuntu

Fixed in:5.15.0.1049.56~20.04.38USN-6416-1

linux-image-azure-fdeUbuntu

Fixed in:5.15.0.1049.56~20.04.1.27USN-6416-1

linux-image-azure-fde-lts-22.04Ubuntu

Fixed in:5.15.0.1049.56.27USN-6416-1

linux-image-azure-lts-20.04Ubuntu

Fixed in:5.4.0.1117.110USN-6417-1

linux-image-azure-lts-22.04Ubuntu

Fixed in:5.15.0.1049.45USN-6416-1

linux-image-bluefieldUbuntu

Fixed in:5.4.0.1072.67USN-6417-1

linux-image-gcpUbuntu

Fixed in:5.4.0.1115.91USN-6417-1

Fixed in:5.15.0.1044.52~20.04.1USN-6416-1

linux-image-gcp-lts-20.04Ubuntu

Fixed in:5.4.0.1115.117USN-6417-1

linux-image-gcp-lts-22.04Ubuntu

Fixed in:5.15.0.1044.40USN-6416-1

linux-image-genericUbuntu

Fixed in:5.4.0.164.161USN-6417-1

Fixed in:5.15.0.86.83USN-6416-1

linux-image-generic-64kUbuntu

Fixed in:5.15.0.86.83USN-6416-1

linux-image-generic-64k-hwe-20.04Ubuntu

Fixed in:5.15.0.86.96~20.04.44USN-6416-2

linux-image-generic-hwe-18.04Ubuntu

Fixed in:5.4.0.164.181~18.04.131USN-6417-1

linux-image-generic-hwe-20.04Ubuntu

Fixed in:5.15.0.86.96~20.04.44USN-6416-2

linux-image-generic-lpaeUbuntu

Fixed in:5.4.0.164.161USN-6417-1

Fixed in:5.15.0.86.83USN-6416-1

linux-image-generic-lpae-hwe-20.04Ubuntu

Fixed in:5.15.0.86.96~20.04.44USN-6416-2

linux-image-gkeUbuntu

Fixed in:5.15.0.1044.43USN-6416-1

linux-image-gke-5.15Ubuntu

Fixed in:5.15.0.1044.43USN-6416-1

linux-image-gkeopUbuntu

Fixed in:5.4.0.1078.76USN-6417-1

Fixed in:5.15.0.1030.29USN-6416-1

linux-image-gkeop-5.15Ubuntu

Fixed in:5.15.0.1030.35~20.04.26USN-6416-1

Fixed in:5.15.0.1030.29USN-6416-1

linux-image-gkeop-5.4Ubuntu

Fixed in:5.4.0.1078.76USN-6417-1

linux-image-ibmUbuntu

Fixed in:5.4.0.1058.69USN-6417-1

Fixed in:5.15.0.1040.43~20.04.12USN-6416-1

Fixed in:5.15.0.1040.36USN-6416-1

linux-image-ibm-lts-20.04Ubuntu

Fixed in:5.4.0.1058.87USN-6417-1

linux-image-intelUbuntu

Fixed in:5.15.0.1043.49~20.04.33USN-6445-2

linux-image-intel-iotgUbuntu

Fixed in:5.15.0.1043.49~20.04.33USN-6445-2

Fixed in:5.15.0.1043.43USN-6445-1

linux-image-kvmUbuntu

Fixed in:5.4.0.1100.95USN-6417-1

Fixed in:5.15.0.1044.40USN-6416-1

linux-image-lowlatencyUbuntu

Fixed in:5.4.0.164.161USN-6417-1

Fixed in:5.15.0.86.88USN-6416-1

linux-image-lowlatency-64kUbuntu

Fixed in:5.15.0.86.88USN-6416-1

linux-image-lowlatency-64k-hwe-20.04Ubuntu

Fixed in:5.15.0.86.95~20.04.41USN-6416-1

linux-image-lowlatency-hwe-18.04Ubuntu

Fixed in:5.4.0.164.181~18.04.131USN-6417-1

linux-image-lowlatency-hwe-20.04Ubuntu

Fixed in:5.15.0.86.95~20.04.41USN-6416-1

linux-image-nvidiaUbuntu

Fixed in:5.15.0.1037.37USN-6416-1

linux-image-nvidia-lowlatencyUbuntu

Fixed in:5.15.0.1037.37USN-6416-1

linux-image-oemUbuntu

Fixed in:5.4.0.164.181~18.04.131USN-6417-1

Fixed in:5.4.0.164.161USN-6417-1

linux-image-oem-20.04Ubuntu

Fixed in:5.15.0.86.96~20.04.44USN-6416-2

linux-image-oem-20.04bUbuntu

Fixed in:5.15.0.86.96~20.04.44USN-6416-2

linux-image-oem-20.04cUbuntu

Fixed in:5.15.0.86.96~20.04.44USN-6416-2

linux-image-oem-20.04dUbuntu

Fixed in:5.15.0.86.96~20.04.44USN-6416-2

linux-image-oem-osp1Ubuntu

Fixed in:5.4.0.164.181~18.04.131USN-6417-1

Fixed in:5.4.0.164.161USN-6417-1

linux-image-oracleUbuntu

Fixed in:5.4.0.1110.119~18.04.82USN-6417-1

Fixed in:5.15.0.1045.51~20.04.1USN-6416-2

Fixed in:5.15.0.1045.40USN-6416-1

linux-image-oracle-lts-20.04Ubuntu

Fixed in:5.4.0.1110.103USN-6417-1

linux-image-oracle-lts-22.04Ubuntu

Fixed in:5.15.0.1045.40USN-6416-1

linux-image-raspiUbuntu

Fixed in:5.4.0.1095.125USN-6417-1

Fixed in:5.15.0.1040.38USN-6416-3

linux-image-raspi-hwe-18.04Ubuntu

Fixed in:5.4.0.1095.92USN-6417-1

linux-image-raspi-nolpaeUbuntu

Fixed in:5.15.0.1040.38USN-6416-3

linux-image-raspi2Ubuntu

Fixed in:5.4.0.1095.125USN-6417-1

linux-image-snapdragon-hwe-18.04Ubuntu

Fixed in:5.4.0.164.181~18.04.131USN-6417-1

linux-image-virtualUbuntu

Fixed in:5.4.0.164.161USN-6417-1

Fixed in:5.15.0.86.83USN-6416-1

linux-image-virtual-hwe-18.04Ubuntu

Fixed in:5.4.0.164.181~18.04.131USN-6417-1

linux-image-virtual-hwe-20.04Ubuntu

Fixed in:5.15.0.86.96~20.04.44USN-6416-2

linux-image-xilinx-zynqmpUbuntu

Fixed in:5.4.0.1031.32USN-6417-1

linux-intel-iotgUbuntu

Fixed in:5.15.0-1043.49USN-6445-1

linux-intel-iotg-5.15Ubuntu

Fixed in:5.15.0-1043.49~20.04.1USN-6445-2

linux-iotUbuntu

Fixed in:5.4.0-1023.24USN-6417-1

linux-kvmUbuntu

Fixed in:5.4.0-1100.106USN-6417-1

Fixed in:5.15.0-1044.49USN-6416-1

linux-lowlatencyUbuntu

Fixed in:5.15.0-86.95USN-6416-1

linux-lowlatency-hwe-5.15Ubuntu

Fixed in:5.15.0-86.95~20.04.1USN-6416-1

linux-nvidiaUbuntu

Fixed in:5.15.0-1037.37USN-6416-1

linux-oracleUbuntu

Fixed in:5.4.0-1110.119USN-6417-1

Fixed in:5.15.0-1045.51USN-6416-1

linux-oracle-5.15Ubuntu

Fixed in:5.15.0-1045.51~20.04.1USN-6416-2

linux-oracle-5.4Ubuntu

Fixed in:5.4.0-1110.119~18.04.1USN-6417-1

linux-raspiUbuntu

Fixed in:5.4.0-1095.106USN-6417-1

Fixed in:5.15.0-1040.43USN-6416-3

linux-raspi-5.4Ubuntu

Fixed in:5.4.0-1095.106~18.04.1USN-6417-1

linux-xilinx-zynqmpUbuntu

Fixed in:5.4.0-1031.35USN-6417-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

8.09%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Exploit1

seclists.org

Third-Party Advisory5

Issue Tracking1

bugzilla.redhat.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.