Is CVE-2023-38430 in the CISA KEV catalog?

No. CVE-2023-38430 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-38430?

CVE-2023-38430 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2023-38430?

CVE-2023-38430 has an EPSS score of 1.06% (60th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-38430?

Upgrade linux on debian 12 to 6.1.37-1 or later. Fixes are available for 121 affected products.

CVE & CISA-KEV Catalog

CVE-2023-38430

CRITICAL

9.1

CVSS v3

NVD

Description

An issue was discovered in the Linux kernel before 6.3.9. ksmbd does not validate the SMB request protocol ID, leading to an out-of-bounds read.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

linuxDebian

Fixed in:6.1.37-1CVE-2023-38430

Fixed in:6.3.11-1CVE-2023-38430

linuxUbuntu

Fixed in:5.15.0-102.112USN-6725-1

Fixed in:6.2.0-36.37USN-6464-1

linux-awsUbuntu

Fixed in:5.15.0-1057.63USN-6725-2

Fixed in:6.2.0-1015.15USN-6464-1

linux-aws-5.15Ubuntu

Fixed in:5.15.0-1057.63~20.04.1USN-6725-2

linux-aws-6.2Ubuntu

Fixed in:6.2.0-1015.15~22.04.1USN-6464-1

linux-azureUbuntu

Fixed in:5.15.0-1060.69USN-6725-1

Fixed in:6.2.0-1016.16USN-6464-1

linux-azure-5.15Ubuntu

Fixed in:5.15.0-1060.69~20.04.1USN-6725-1

linux-azure-6.2Ubuntu

Fixed in:6.2.0-1016.16~22.04.1USN-6464-1

linux-azure-fdeUbuntu

Fixed in:5.15.0-1060.69.1USN-6725-1

linux-azure-fde-5.15Ubuntu

Fixed in:5.15.0-1060.69~20.04.1.1USN-6725-1

linux-azure-fde-6.2Ubuntu

Fixed in:6.2.0-1016.16~22.04.1.1USN-6464-1

linux-gcpUbuntu

Fixed in:5.15.0-1055.63USN-6725-1

Fixed in:6.2.0-1018.20USN-6464-1

linux-gcp-5.15Ubuntu

Fixed in:5.15.0-1055.63~20.04.1USN-6725-1

linux-gcp-6.2Ubuntu

Fixed in:6.2.0-1018.20~22.04.1USN-6464-1

linux-gkeUbuntu

Fixed in:5.15.0-1054.59USN-6725-1

linux-gkeopUbuntu

Fixed in:5.15.0-1040.46USN-6725-1

linux-gkeop-5.15Ubuntu

Fixed in:5.15.0-1040.46~20.04.1USN-6725-1

linux-hwe-5.15Ubuntu

Fixed in:5.15.0-102.112~20.04.1USN-6725-1

linux-hwe-6.2Ubuntu

Fixed in:6.2.0-36.37~22.04.1USN-6464-1

linux-ibmUbuntu

Fixed in:5.15.0-1050.53USN-6725-1

linux-ibm-5.15Ubuntu

Fixed in:5.15.0-1050.53~20.04.1USN-6725-1

linux-image-5.15.0-102-genericUbuntu

Fixed in:5.15.0-102.112~20.04.1USN-6725-1

Fixed in:5.15.0-102.112USN-6725-1

linux-image-5.15.0-102-generic-64kUbuntu

Fixed in:5.15.0-102.112~20.04.1USN-6725-1

Fixed in:5.15.0-102.112USN-6725-1

linux-image-5.15.0-102-generic-lpaeUbuntu

Fixed in:5.15.0-102.112~20.04.1USN-6725-1

Fixed in:5.15.0-102.112USN-6725-1

linux-image-5.15.0-102-lowlatencyUbuntu

Fixed in:5.15.0-102.112~20.04.1USN-6725-1

Fixed in:5.15.0-102.112USN-6725-1

linux-image-5.15.0-102-lowlatency-64kUbuntu

Fixed in:5.15.0-102.112~20.04.1USN-6725-1

Fixed in:5.15.0-102.112USN-6725-1

linux-image-5.15.0-1040-gkeopUbuntu

Fixed in:5.15.0-1040.46~20.04.1USN-6725-1

Fixed in:5.15.0-1040.46USN-6725-1

linux-image-5.15.0-1048-nvidiaUbuntu

Fixed in:5.15.0-1048.48USN-6725-1

linux-image-5.15.0-1048-nvidia-lowlatencyUbuntu

Fixed in:5.15.0-1048.48USN-6725-1

linux-image-5.15.0-1050-ibmUbuntu

Fixed in:5.15.0-1050.53~20.04.1USN-6725-1

Fixed in:5.15.0-1050.53USN-6725-1

linux-image-5.15.0-1050-raspiUbuntu

Fixed in:5.15.0-1050.53USN-6725-1

linux-image-5.15.0-1052-intel-iotgUbuntu

Fixed in:5.15.0-1052.58~20.04.1USN-6725-1

Fixed in:5.15.0-1052.58USN-6725-1

linux-image-5.15.0-1054-gkeUbuntu

Fixed in:5.15.0-1054.59USN-6725-1

linux-image-5.15.0-1054-kvmUbuntu

Fixed in:5.15.0-1054.59USN-6725-1

linux-image-5.15.0-1055-gcpUbuntu

Fixed in:5.15.0-1055.63~20.04.1USN-6725-1

Fixed in:5.15.0-1055.63USN-6725-1

linux-image-5.15.0-1055-oracleUbuntu

Fixed in:5.15.0-1055.61~20.04.1USN-6725-1

Fixed in:5.15.0-1055.61USN-6725-1

linux-image-5.15.0-1057-awsUbuntu

Fixed in:5.15.0-1057.63~20.04.1USN-6725-2

Fixed in:5.15.0-1057.63USN-6725-2

linux-image-5.15.0-1060-azureUbuntu

Fixed in:5.15.0-1060.69~20.04.1USN-6725-1

Fixed in:5.15.0-1060.69USN-6725-1

linux-image-5.15.0-1060-azure-fdeUbuntu

Fixed in:5.15.0-1060.69~20.04.1.1USN-6725-1

Fixed in:5.15.0-1060.69.1USN-6725-1

linux-image-6.1.0-1019-oemUbuntu

Fixed in:6.1.0-1019.19USN-6285-1

linux-image-6.2.0-1008-starfiveUbuntu

Fixed in:6.2.0-1008.9USN-6464-1

linux-image-6.2.0-1009-starfiveUbuntu

Fixed in:6.2.0-1009.10~22.04.1USN-6520-1

linux-image-6.2.0-1011-nvidiaUbuntu

Fixed in:6.2.0-1011.11USN-6466-1

linux-image-6.2.0-1011-nvidia-64kUbuntu

Fixed in:6.2.0-1011.11USN-6466-1

linux-image-6.2.0-1015-awsUbuntu

Fixed in:6.2.0-1015.15~22.04.1USN-6464-1

Fixed in:6.2.0-1015.15USN-6464-1

linux-image-6.2.0-1015-oracleUbuntu

Fixed in:6.2.0-1015.15USN-6464-1

linux-image-6.2.0-1016-azureUbuntu

Fixed in:6.2.0-1016.16~22.04.1USN-6464-1

Fixed in:6.2.0-1016.16USN-6464-1

linux-image-6.2.0-1016-azure-fdeUbuntu

Fixed in:6.2.0-1016.16~22.04.1.1USN-6464-1

linux-image-6.2.0-1016-kvmUbuntu

Fixed in:6.2.0-1016.16USN-6464-1

linux-image-6.2.0-1016-lowlatencyUbuntu

Fixed in:6.2.0-1016.16~22.04.1USN-6464-1

Fixed in:6.2.0-1016.16USN-6464-1

linux-image-6.2.0-1016-lowlatency-64kUbuntu

Fixed in:6.2.0-1016.16~22.04.1USN-6464-1

Fixed in:6.2.0-1016.16USN-6464-1

linux-image-6.2.0-1016-raspiUbuntu

Fixed in:6.2.0-1016.18USN-6464-1

linux-image-6.2.0-1018-gcpUbuntu

Fixed in:6.2.0-1018.20~22.04.1USN-6464-1

Fixed in:6.2.0-1018.20USN-6464-1

linux-image-6.2.0-36-genericUbuntu

Fixed in:6.2.0-36.37~22.04.1USN-6464-1

Fixed in:6.2.0-36.37USN-6464-1

linux-image-6.2.0-36-generic-64kUbuntu

Fixed in:6.2.0-36.37~22.04.1USN-6464-1

Fixed in:6.2.0-36.37USN-6464-1

linux-image-6.2.0-36-generic-lpaeUbuntu

Fixed in:6.2.0-36.37~22.04.1USN-6464-1

Fixed in:6.2.0-36.37USN-6464-1

linux-image-awsUbuntu

Fixed in:5.15.0.1057.63~20.04.1USN-6725-2

Fixed in:6.2.0.1015.15~22.04.1USN-6464-1

Fixed in:6.2.0.1015.16USN-6464-1

linux-image-aws-lts-22.04Ubuntu

Fixed in:5.15.0.1057.58USN-6725-2

linux-image-azureUbuntu

Fixed in:5.15.0.1060.69~20.04.1USN-6725-1

Fixed in:6.2.0.1016.16~22.04.1USN-6464-1

Fixed in:6.2.0.1016.16USN-6464-1

linux-image-azure-cvmUbuntu

Fixed in:5.15.0.1060.69~20.04.1USN-6725-1

linux-image-azure-fdeUbuntu

Fixed in:5.15.0.1060.69~20.04.1.39USN-6725-1

Fixed in:6.2.0.1016.16~22.04.1.13USN-6464-1

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

Fixed in:5.15.0.1060.69.38USN-6725-1

linux-image-azure-lts-22.04Ubuntu

Fixed in:5.15.0.1060.58USN-6725-1

linux-image-gcpUbuntu

Fixed in:5.15.0.1055.63~20.04.1USN-6725-1

Fixed in:6.2.0.1018.20~22.04.1USN-6464-1

Fixed in:6.2.0.1018.18USN-6464-1

linux-image-gcp-lts-22.04Ubuntu

Fixed in:5.15.0.1055.51USN-6725-1

linux-image-genericUbuntu

Fixed in:5.15.0.102.99USN-6725-1

Fixed in:6.2.0.36.36USN-6464-1

linux-image-generic-64kUbuntu

Fixed in:5.15.0.102.99USN-6725-1

Fixed in:6.2.0.36.36USN-6464-1

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

Fixed in:5.15.0.102.112~20.04.1USN-6725-1

linux-image-generic-64k-hwe-22.04Ubuntu

Fixed in:6.2.0.36.37~22.04.14USN-6464-1

linux-image-generic-hwe-20.04Ubuntu

Fixed in:5.15.0.102.112~20.04.1USN-6725-1

linux-image-generic-hwe-22.04Ubuntu

Fixed in:6.2.0.36.37~22.04.14USN-6464-1

linux-image-generic-lpaeUbuntu

Fixed in:5.15.0.102.99USN-6725-1

Fixed in:6.2.0.36.36USN-6464-1

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

Fixed in:5.15.0.102.112~20.04.1USN-6725-1

linux-image-generic-lpae-hwe-22.04Ubuntu

Fixed in:6.2.0.36.37~22.04.14USN-6464-1

linux-image-gkeUbuntu

Fixed in:5.15.0.1054.53USN-6725-1

linux-image-gke-5.15Ubuntu

Fixed in:5.15.0.1054.53USN-6725-1

linux-image-gkeopUbuntu

Fixed in:5.15.0.1040.39USN-6725-1

linux-image-gkeop-5.15Ubuntu

Fixed in:5.15.0.1040.46~20.04.36USN-6725-1

Fixed in:5.15.0.1040.39USN-6725-1

linux-image-ibmUbuntu

Fixed in:5.15.0.1050.53~20.04.1USN-6725-1

Fixed in:5.15.0.1050.46USN-6725-1

linux-image-intelUbuntu

Fixed in:5.15.0.1052.58~20.04.1USN-6725-1

linux-image-intel-iotgUbuntu

Fixed in:5.15.0.1052.58~20.04.1USN-6725-1

Fixed in:5.15.0.1052.52USN-6725-1

linux-image-kvmUbuntu

Fixed in:5.15.0.1054.50USN-6725-1

Fixed in:6.2.0.1016.16USN-6464-1

linux-image-lowlatencyUbuntu

Fixed in:5.15.0.102.98USN-6725-1

Fixed in:6.2.0.1016.16USN-6464-1

linux-image-lowlatency-64kUbuntu

Fixed in:5.15.0.102.98USN-6725-1

Fixed in:6.2.0.1016.16USN-6464-1

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

Fixed in:5.15.0.102.112~20.04.1USN-6725-1

linux-image-lowlatency-64k-hwe-22.04Ubuntu

Fixed in:6.2.0.1016.16~22.04.13USN-6464-1

linux-image-lowlatency-hwe-20.04Ubuntu

Fixed in:5.15.0.102.112~20.04.1USN-6725-1

linux-image-lowlatency-hwe-22.04Ubuntu

Fixed in:6.2.0.1016.16~22.04.13USN-6464-1

linux-image-nvidiaUbuntu

Fixed in:5.15.0.1048.48USN-6725-1

linux-image-nvidia-6.2Ubuntu

Fixed in:6.2.0.1011.13USN-6466-1

linux-image-nvidia-64k-6.2Ubuntu

Fixed in:6.2.0.1011.13USN-6466-1

linux-image-nvidia-64k-hwe-22.04Ubuntu

Fixed in:6.2.0.1011.13USN-6466-1

linux-image-nvidia-hwe-22.04Ubuntu

Fixed in:6.2.0.1011.13USN-6466-1

linux-image-nvidia-lowlatencyUbuntu

Fixed in:5.15.0.1048.48USN-6725-1

linux-image-oem-20.04Ubuntu

Fixed in:5.15.0.102.112~20.04.1USN-6725-1

linux-image-oem-20.04bUbuntu

Fixed in:5.15.0.102.112~20.04.1USN-6725-1

linux-image-oem-20.04cUbuntu

Fixed in:5.15.0.102.112~20.04.1USN-6725-1

linux-image-oem-20.04dUbuntu

Fixed in:5.15.0.102.112~20.04.1USN-6725-1

linux-image-oem-22.04cUbuntu

Fixed in:6.1.0.1019.19USN-6285-1

linux-image-oracleUbuntu

Fixed in:5.15.0.1055.61~20.04.1USN-6725-1

Fixed in:6.2.0.1015.15USN-6464-1

linux-image-oracle-lts-22.04Ubuntu

Fixed in:5.15.0.1055.51USN-6725-1

linux-image-raspiUbuntu

Fixed in:5.15.0.1050.48USN-6725-1

Fixed in:6.2.0.1016.19USN-6464-1

linux-image-raspi-nolpaeUbuntu

Fixed in:5.15.0.1050.48USN-6725-1

Fixed in:6.2.0.1016.19USN-6464-1

linux-image-starfiveUbuntu

Fixed in:6.2.0.1009.10~22.04.2USN-6520-1

Fixed in:6.2.0.1008.11USN-6464-1

linux-image-virtualUbuntu

Fixed in:5.15.0.102.99USN-6725-1

Fixed in:6.2.0.36.36USN-6464-1

linux-image-virtual-hwe-20.04Ubuntu

Fixed in:5.15.0.102.112~20.04.1USN-6725-1

linux-image-virtual-hwe-22.04Ubuntu

Fixed in:6.2.0.36.37~22.04.14USN-6464-1

linux-intel-iotgUbuntu

Fixed in:5.15.0-1052.58USN-6725-1

linux-intel-iotg-5.15Ubuntu

Fixed in:5.15.0-1052.58~20.04.1USN-6725-1

linux-kvmUbuntu

Fixed in:5.15.0-1054.59USN-6725-1

Fixed in:6.2.0-1016.16USN-6464-1

linux-lowlatencyUbuntu

Fixed in:5.15.0-102.112USN-6725-1

Fixed in:6.2.0-1016.16USN-6464-1

linux-lowlatency-hwe-5.15Ubuntu

Fixed in:5.15.0-102.112~20.04.1USN-6725-1

linux-lowlatency-hwe-6.2Ubuntu

Fixed in:6.2.0-1016.16~22.04.1USN-6464-1

linux-nvidiaUbuntu

Fixed in:5.15.0-1048.48USN-6725-1

linux-nvidia-6.2Ubuntu

Fixed in:6.2.0-1011.11USN-6466-1

linux-oem-6.1Ubuntu

Fixed in:6.1.0-1019.19USN-6285-1

linux-oracleUbuntu

Fixed in:5.15.0-1055.61USN-6725-1

Fixed in:6.2.0-1015.15USN-6464-1

linux-oracle-5.15Ubuntu

Fixed in:5.15.0-1055.61~20.04.1USN-6725-1

linux-raspiUbuntu

Fixed in:5.15.0-1050.53USN-6725-1

Fixed in:6.2.0-1016.18USN-6464-1

linux-starfiveUbuntu

Fixed in:6.2.0-1008.9USN-6464-1

linux-starfive-6.2Ubuntu

Fixed in:6.2.0-1009.10~22.04.1USN-6520-1

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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.06%probability of exploitation in 30 days

60thpercentile

Moderate risk: more likely to be exploited than 60% of all known CVEs.

References

Patch1

git.kernel.org

Third-Party Advisory1

security.netapp.com

Release Notes1

cdn.kernel.org

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

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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.