Is CVE-2025-22037 in the CISA KEV catalog?

No. CVE-2025-22037 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-22037?

CVE-2025-22037 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2025-22037?

CVE-2025-22037 has an EPSS score of 37.11% (98th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-22037?

Upgrade linux on debian 13 to 6.12.25-1 or later. Fixes are available for 164 affected products.

CVE & CISA-KEV Catalog

CVE-2025-22037

MEDIUMEPSS 98th pctl

5.5

CVSS v3

NVD

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in alloc_preauth_hash() The Client send malformed smb2 negotiate request. ksmbd return error response. Subsequently, the client can send smb2 session setup even thought conn->preauth_info is not allocated. This patch add KSMBD_SESS_NEED_SETUP status of connection to ignore session setup request if smb2 negotiate phase is not complete.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

linuxDebian

Fixed in:6.12.25-1CVE-2025-22037

linuxUbuntu

Fixed in:6.8.0-101.101USN-8059-1

linux-awsUbuntu

Fixed in:6.8.0-1047.50USN-8059-6

linux-aws-6.8Ubuntu

Fixed in:6.8.0-1047.50~22.04.1USN-8059-6

linux-aws-fipsUbuntu

Fixed in:6.8.0-1047.50+fips1USN-8059-7

linux-azureUbuntu

Fixed in:6.8.0-1051.57USN-8125-1

linux-azure-6.11Ubuntu

Fixed in:6.11.0-1018.18~24.04.1USN-7628-1

linux-azure-6.8Ubuntu

Fixed in:6.8.0-1051.57~22.04.1USN-8126-1

linux-azure-fipsUbuntu

Fixed in:6.8.0-1047.53+fips1USN-8059-9

linux-fipsUbuntu

Fixed in:6.8.0-101.101+fips1USN-8059-5

linux-gcpUbuntu

Fixed in:6.8.0-1048.51USN-8059-3

linux-gcp-6.11Ubuntu

Fixed in:6.11.0-1016.16~24.04.1USN-7605-1

linux-gcp-6.8Ubuntu

Fixed in:6.8.0-1048.51~22.04.1USN-8059-3

linux-gcp-fipsUbuntu

Fixed in:6.8.0-1048.51+fips1USN-8059-5

linux-gkeUbuntu

Fixed in:6.8.0-1044.49USN-8059-3

linux-gkeopUbuntu

Fixed in:6.8.0-1031.34USN-8059-1

linux-hwe-6.11Ubuntu

Fixed in:6.11.0-28.28~24.04.1USN-7605-1

linux-hwe-6.8Ubuntu

Fixed in:6.8.0-101.101~22.04.1USN-8059-1

linux-ibmUbuntu

Fixed in:6.8.0-1045.45USN-8059-6

linux-ibm-6.8Ubuntu

Fixed in:6.8.0-1045.45~22.04.1USN-8059-6

linux-image-6.11.0-1015-lowlatencyUbuntu

Fixed in:6.11.0-1015.16~24.04.2USN-7605-2

linux-image-6.11.0-1015-lowlatency-64kUbuntu

Fixed in:6.11.0-1015.16~24.04.2USN-7605-2

linux-image-6.11.0-1016-gcpUbuntu

Fixed in:6.11.0-1016.16~24.04.1USN-7605-1

linux-image-6.11.0-1016-gcp-64kUbuntu

Fixed in:6.11.0-1016.16~24.04.1USN-7605-1

linux-image-6.11.0-1018-azureUbuntu

Fixed in:6.11.0-1018.18~24.04.1USN-7628-1

linux-image-6.11.0-1018-azure-fdeUbuntu

Fixed in:6.11.0-1018.18~24.04.1USN-7628-1

linux-image-6.11.0-1024-oemUbuntu

Fixed in:6.11.0-1024.24USN-7606-1

linux-image-6.11.0-28-genericUbuntu

Fixed in:6.11.0-28.28~24.04.1USN-7605-1

linux-image-6.11.0-28-generic-64kUbuntu

Fixed in:6.11.0-28.28~24.04.1USN-7605-1

linux-image-6.8.0-101-fipsUbuntu

Fixed in:6.8.0-101.101+fips1USN-8059-5

linux-image-6.8.0-101-genericUbuntu

Fixed in:6.8.0-101.101~22.04.1USN-8059-1

Fixed in:6.8.0-101.101USN-8059-1

linux-image-6.8.0-101-generic-64kUbuntu

Fixed in:6.8.0-101.101~22.04.1USN-8059-1

Fixed in:6.8.0-101.101USN-8059-1

linux-image-6.8.0-101-lowlatencyUbuntu

Fixed in:6.8.0-101.101.1~22.04.1USN-8059-1

Fixed in:6.8.0-101.101.1USN-8059-1

linux-image-6.8.0-101-lowlatency-64kUbuntu

Fixed in:6.8.0-101.101.1~22.04.1USN-8059-1

Fixed in:6.8.0-101.101.1USN-8059-1

linux-image-6.8.0-1024-xilinxUbuntu

Fixed in:6.8.0-1024.25USN-8059-6

linux-image-6.8.0-1031-gkeopUbuntu

Fixed in:6.8.0-1031.34USN-8059-1

linux-image-6.8.0-1044-gkeUbuntu

Fixed in:6.8.0-1044.49USN-8059-3

linux-image-6.8.0-1044-gke-64kUbuntu

Fixed in:6.8.0-1044.49USN-8059-3

linux-image-6.8.0-1044-oracleUbuntu

Fixed in:6.8.0-1044.45~22.04.1USN-8059-3

Fixed in:6.8.0-1044.45USN-8059-1

linux-image-6.8.0-1044-oracle-64kUbuntu

Fixed in:6.8.0-1044.45~22.04.1USN-8059-3

Fixed in:6.8.0-1044.45USN-8059-1

linux-image-6.8.0-1045-ibmUbuntu

Fixed in:6.8.0-1045.45~22.04.1USN-8059-6

Fixed in:6.8.0-1045.45USN-8059-6

linux-image-6.8.0-1047-awsUbuntu

Fixed in:6.8.0-1047.50~22.04.1USN-8059-6

Fixed in:6.8.0-1047.50USN-8059-6

linux-image-6.8.0-1047-aws-64kUbuntu

Fixed in:6.8.0-1047.50~22.04.1USN-8059-6

Fixed in:6.8.0-1047.50USN-8059-6

linux-image-6.8.0-1047-aws-fipsUbuntu

Fixed in:6.8.0-1047.50+fips1USN-8059-7

linux-image-6.8.0-1047-azure-fipsUbuntu

Fixed in:6.8.0-1047.53+fips1USN-8059-9

linux-image-6.8.0-1047-nvidiaUbuntu

Fixed in:6.8.0-1047.50~22.04.1USN-8059-8

Fixed in:6.8.0-1047.50USN-8059-8

linux-image-6.8.0-1047-nvidia-64kUbuntu

Fixed in:6.8.0-1047.50~22.04.1USN-8059-8

Fixed in:6.8.0-1047.50USN-8059-8

linux-image-6.8.0-1047-nvidia-lowlatencyUbuntu

Fixed in:6.8.0-1047.50.1USN-8059-8

linux-image-6.8.0-1047-nvidia-lowlatency-64kUbuntu

Fixed in:6.8.0-1047.50.1USN-8059-8

linux-image-6.8.0-1048-gcpUbuntu

Fixed in:6.8.0-1048.51~22.04.1USN-8059-3

Fixed in:6.8.0-1048.51USN-8059-3

linux-image-6.8.0-1048-gcp-64kUbuntu

Fixed in:6.8.0-1048.51~22.04.1USN-8059-3

Fixed in:6.8.0-1048.51USN-8059-3

linux-image-6.8.0-1048-gcp-fipsUbuntu

Fixed in:6.8.0-1048.51+fips1USN-8059-5

linux-image-6.8.0-1048-raspiUbuntu

Fixed in:6.8.0-1048.52USN-8059-1

linux-image-6.8.0-1051-azureUbuntu

Fixed in:6.8.0-1051.57~22.04.1USN-8126-1

Fixed in:6.8.0-1051.57USN-8125-1

linux-image-6.8.0-2038-raspi-realtimeUbuntu

Fixed in:6.8.0-2038.39USN-8059-2

linux-image-6.8.1-1042-realtimeUbuntu

Fixed in:6.8.1-1042.43USN-8059-4

linux-image-awsUbuntu

Fixed in:6.8.0-1047.50~22.04.1USN-8059-6

linux-image-aws-6.8Ubuntu

Fixed in:6.8.0-1047.50~22.04.1USN-8059-6

Fixed in:6.8.0-1047.50USN-8059-6

linux-image-aws-64kUbuntu

Fixed in:6.8.0-1047.50~22.04.1USN-8059-6

linux-image-aws-64k-6.8Ubuntu

Fixed in:6.8.0-1047.50~22.04.1USN-8059-6

Fixed in:6.8.0-1047.50USN-8059-6

linux-image-aws-64k-lts-24.04Ubuntu

Fixed in:6.8.0-1047.50USN-8059-6

linux-image-aws-fipsUbuntu

Fixed in:6.8.0-1047.50+fips1USN-8059-7

linux-image-aws-fips-6.8Ubuntu

Fixed in:6.8.0-1047.50+fips1USN-8059-7

linux-image-aws-lts-24.04Ubuntu

Fixed in:6.8.0-1047.50USN-8059-6

linux-image-azureUbuntu

Fixed in:6.8.0-1051.57~22.04.1USN-8126-1

Fixed in:6.11.0-1018.18~24.04.1USN-7628-1

linux-image-azure-6.11Ubuntu

Fixed in:6.11.0-1018.18~24.04.1USN-7628-1

linux-image-azure-6.8Ubuntu

Fixed in:6.8.0-1051.57~22.04.1USN-8126-1

Fixed in:6.8.0-1051.57USN-8125-1

linux-image-azure-fdeUbuntu

Fixed in:6.11.0-1018.18~24.04.1USN-7628-1

linux-image-azure-fde-6.11Ubuntu

Fixed in:6.11.0-1018.18~24.04.1USN-7628-1

linux-image-azure-fde-edgeUbuntu

Fixed in:6.11.0-1018.18~24.04.1USN-7628-1

linux-image-azure-fipsUbuntu

Fixed in:6.8.0-1047.53+fips1USN-8059-9

linux-image-azure-fips-6.8Ubuntu

Fixed in:6.8.0-1047.53+fips1USN-8059-9

linux-image-azure-lts-24.04Ubuntu

Fixed in:6.8.0-1051.57USN-8125-1

linux-image-fipsUbuntu

Fixed in:6.8.0-101.101+fips1USN-8059-5

linux-image-fips-6.8Ubuntu

Fixed in:6.8.0-101.101+fips1USN-8059-5

linux-image-gcpUbuntu

Fixed in:6.8.0-1048.51~22.04.1USN-8059-3

Fixed in:6.11.0-1016.16~24.04.1USN-7605-1

linux-image-gcp-6.8Ubuntu

Fixed in:6.8.0-1048.51~22.04.1USN-8059-3

Fixed in:6.8.0-1048.51USN-8059-3

linux-image-gcp-64kUbuntu

Fixed in:6.8.0-1048.51~22.04.1USN-8059-3

Fixed in:6.11.0-1016.16~24.04.1USN-7605-1

linux-image-gcp-64k-6.8Ubuntu

Fixed in:6.8.0-1048.51~22.04.1USN-8059-3

Fixed in:6.8.0-1048.51USN-8059-3

linux-image-gcp-64k-lts-24.04Ubuntu

Fixed in:6.8.0-1048.51USN-8059-3

linux-image-gcp-fipsUbuntu

Fixed in:6.8.0-1048.51+fips1USN-8059-5

linux-image-gcp-fips-6.8Ubuntu

Fixed in:6.8.0-1048.51+fips1USN-8059-5

linux-image-gcp-lts-24.04Ubuntu

Fixed in:6.8.0-1048.51USN-8059-3

linux-image-genericUbuntu

Fixed in:6.8.0-101.101USN-8059-1

linux-image-generic-6.8Ubuntu

Fixed in:6.8.0-101.101~22.04.1USN-8059-1

Fixed in:6.8.0-101.101USN-8059-1

linux-image-generic-64kUbuntu

Fixed in:6.8.0-101.101USN-8059-1

linux-image-generic-64k-6.8Ubuntu

Fixed in:6.8.0-101.101~22.04.1USN-8059-1

Fixed in:6.8.0-101.101USN-8059-1

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

Fixed in:6.8.0-101.101~22.04.1USN-8059-1

linux-image-generic-64k-hwe-24.04Ubuntu

Fixed in:6.11.0-28.28~24.04.1USN-7605-1

linux-image-generic-hwe-22.04Ubuntu

Fixed in:6.8.0-101.101~22.04.1USN-8059-1

linux-image-generic-hwe-24.04Ubuntu

Fixed in:6.11.0-28.28~24.04.1USN-7605-1

linux-image-generic-lpaeUbuntu

Fixed in:6.8.0-101.101USN-8059-1

linux-image-gkeUbuntu

Fixed in:6.8.0-1044.49USN-8059-3

linux-image-gke-6.8Ubuntu

Fixed in:6.8.0-1044.49USN-8059-3

linux-image-gke-64kUbuntu

Fixed in:6.8.0-1044.49USN-8059-3

linux-image-gke-64k-6.8Ubuntu

Fixed in:6.8.0-1044.49USN-8059-3

linux-image-gkeopUbuntu

Fixed in:6.8.0-1031.34USN-8059-1

linux-image-gkeop-6.8Ubuntu

Fixed in:6.8.0-1031.34USN-8059-1

linux-image-ibmUbuntu

Fixed in:6.8.0-1045.45USN-8059-6

linux-image-ibm-6.8Ubuntu

Fixed in:6.8.0-1045.45~22.04.1USN-8059-6

Fixed in:6.8.0-1045.45USN-8059-6

linux-image-ibm-classicUbuntu

Fixed in:6.8.0-1045.45USN-8059-6

linux-image-ibm-lts-24.04Ubuntu

Fixed in:6.8.0-1045.45USN-8059-6

linux-image-intel-iot-realtimeUbuntu

Fixed in:6.8.1-1042.43USN-8059-4

linux-image-intel-iotgUbuntu

Fixed in:6.8.0-101.101USN-8059-1

linux-image-kvmUbuntu

Fixed in:6.8.0-101.101USN-8059-1

linux-image-lowlatencyUbuntu

Fixed in:6.8.0-101.101.1USN-8059-1

linux-image-lowlatency-6.11Ubuntu

Fixed in:6.11.0-1015.16~24.04.2USN-7605-2

linux-image-lowlatency-6.8Ubuntu

Fixed in:6.8.0-101.101.1~22.04.1USN-8059-1

Fixed in:6.8.0-101.101.1USN-8059-1

linux-image-lowlatency-64kUbuntu

Fixed in:6.8.0-101.101.1USN-8059-1

linux-image-lowlatency-64k-6.11Ubuntu

Fixed in:6.11.0-1015.16~24.04.2USN-7605-2

linux-image-lowlatency-64k-6.8Ubuntu

Fixed in:6.8.0-101.101.1~22.04.1USN-8059-1

Fixed in:6.8.0-101.101.1USN-8059-1

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

Fixed in:6.8.0-101.101.1~22.04.1USN-8059-1

linux-image-lowlatency-64k-hwe-24.04Ubuntu

Fixed in:6.11.0-1015.16~24.04.2USN-7605-2

linux-image-lowlatency-hwe-22.04Ubuntu

Fixed in:6.8.0-101.101.1~22.04.1USN-8059-1

linux-image-lowlatency-hwe-24.04Ubuntu

Fixed in:6.11.0-1015.16~24.04.2USN-7605-2

linux-image-nvidiaUbuntu

Fixed in:6.8.0-1047.50USN-8059-8

linux-image-nvidia-6.8Ubuntu

Fixed in:6.8.0-1047.50~22.04.1USN-8059-8

Fixed in:6.8.0-1047.50USN-8059-8

linux-image-nvidia-64kUbuntu

Fixed in:6.8.0-1047.50USN-8059-8

linux-image-nvidia-64k-6.8Ubuntu

Fixed in:6.8.0-1047.50~22.04.1USN-8059-8

Fixed in:6.8.0-1047.50USN-8059-8

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

Fixed in:6.8.0-1047.50~22.04.1USN-8059-8

linux-image-nvidia-hwe-22.04Ubuntu

Fixed in:6.8.0-1047.50~22.04.1USN-8059-8

linux-image-nvidia-lowlatencyUbuntu

Fixed in:6.8.0-1047.50.1USN-8059-8

linux-image-nvidia-lowlatency-6.8Ubuntu

Fixed in:6.8.0-1047.50.1USN-8059-8

linux-image-nvidia-lowlatency-64kUbuntu

Fixed in:6.8.0-1047.50.1USN-8059-8

linux-image-nvidia-lowlatency-64k-6.8Ubuntu

Fixed in:6.8.0-1047.50.1USN-8059-8

linux-image-oem-22.04Ubuntu

Fixed in:6.8.0-101.101~22.04.1USN-8059-1

linux-image-oem-22.04aUbuntu

Fixed in:6.8.0-101.101~22.04.1USN-8059-1

linux-image-oem-22.04bUbuntu

Fixed in:6.8.0-101.101~22.04.1USN-8059-1

linux-image-oem-22.04cUbuntu

Fixed in:6.8.0-101.101~22.04.1USN-8059-1

linux-image-oem-22.04dUbuntu

Fixed in:6.8.0-101.101~22.04.1USN-8059-1

linux-image-oem-24.04bUbuntu

Fixed in:6.11.0-1024.24USN-7606-1

linux-image-oracleUbuntu

Fixed in:6.8.0-1044.45~22.04.1USN-8059-3

linux-image-oracle-6.8Ubuntu

Fixed in:6.8.0-1044.45~22.04.1USN-8059-3

Fixed in:6.8.0-1044.45USN-8059-1

linux-image-oracle-64kUbuntu

Fixed in:6.8.0-1044.45~22.04.1USN-8059-3

linux-image-oracle-64k-6.8Ubuntu

Fixed in:6.8.0-1044.45~22.04.1USN-8059-3

Fixed in:6.8.0-1044.45USN-8059-1

linux-image-oracle-64k-lts-24.04Ubuntu

Fixed in:6.8.0-1044.45USN-8059-1

linux-image-oracle-lts-24.04Ubuntu

Fixed in:6.8.0-1044.45USN-8059-1

linux-image-raspiUbuntu

Fixed in:6.8.0-1048.52USN-8059-1

linux-image-raspi-6.8Ubuntu

Fixed in:6.8.0-1048.52USN-8059-1

linux-image-raspi-realtimeUbuntu

Fixed in:6.8.0-2038.39USN-8059-2

linux-image-raspi-realtime-6.8Ubuntu

Fixed in:6.8.0-2038.39USN-8059-2

linux-image-realtimeUbuntu

Fixed in:6.8.1-1042.43USN-8059-4

linux-image-realtime-6.8.1Ubuntu

Fixed in:6.8.1-1042.43USN-8059-4

linux-image-virtualUbuntu

Fixed in:6.8.0-101.101USN-8059-1

linux-image-virtual-6.8Ubuntu

Fixed in:6.8.0-101.101~22.04.1USN-8059-1

Fixed in:6.8.0-101.101USN-8059-1

linux-image-virtual-hwe-22.04Ubuntu

Fixed in:6.8.0-101.101~22.04.1USN-8059-1

linux-image-virtual-hwe-24.04Ubuntu

Fixed in:6.11.0-28.28~24.04.1USN-7605-1

linux-image-xilinxUbuntu

Fixed in:6.8.0.1024.25USN-8059-6

linux-image-xilinx-6.8Ubuntu

Fixed in:6.8.0.1024.25USN-8059-6

linux-image-xilinx-zynqmpUbuntu

Fixed in:6.8.0.1024.25USN-8059-6

linux-lowlatencyUbuntu

Fixed in:6.8.0-101.101.1USN-8059-1

linux-lowlatency-hwe-6.11Ubuntu

Fixed in:6.11.0-1015.16~24.04.2USN-7605-2

linux-lowlatency-hwe-6.8Ubuntu

Fixed in:6.8.0-101.101.1~22.04.1USN-8059-1

linux-nvidiaUbuntu

Fixed in:6.8.0-1047.50USN-8059-8

linux-nvidia-6.8Ubuntu

Fixed in:6.8.0-1047.50~22.04.1USN-8059-8

linux-nvidia-lowlatencyUbuntu

Fixed in:6.8.0-1047.50.1USN-8059-8

linux-oem-6.11Ubuntu

Fixed in:6.11.0-1024.24USN-7606-1

linux-oracleUbuntu

Fixed in:6.8.0-1044.45USN-8059-1

linux-oracle-6.8Ubuntu

Fixed in:6.8.0-1044.45~22.04.1USN-8059-3

linux-raspiUbuntu

Fixed in:6.8.0-1048.52USN-8059-1

linux-raspi-realtimeUbuntu

Fixed in:6.8.0-2038.39USN-8059-2

linux-realtimeUbuntu

Fixed in:6.8.1-1042.43USN-8059-4

linux-realtime-6.8Ubuntu

Fixed in:6.8.1-1042.43~22.04.1USN-8059-4

linux-xilinxUbuntu

Fixed in:6.8.0-1024.25USN-8059-6

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

37.11%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

Patch4

Other references2

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	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 2025-09-19.