Is CVE-2025-68338 in the CISA KEV catalog?

No. CVE-2025-68338 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-68338?

CVE-2025-68338 has a CVSS v3 base score of 5.5 (Moderate).

What is the EPSS score for CVE-2025-68338?

CVE-2025-68338 has an EPSS score of 0.15% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-68338?

Upgrade linux on debian 13 to 6.12.63-1 or later. Fixes are available for 61 affected products.

CVE & CISA-KEV Catalog

CVE-2025-68338

MEDIUM

5.5

CVSS v3

NVD

Description

In the Linux kernel, the following vulnerability has been resolved: net: dsa: microchip: Don't free uninitialized ksz_irq If something goes wrong at setup, ksz_irq_free() can be called on uninitialized ksz_irq (for example when ksz_ptp_irq_setup() fails). It leads to freeing uninitialized IRQ numbers and/or domains. Use dsa_switch_for_each_user_port_continue_reverse() in the error path to iterate only over the fully initialized ports.

How to fix

Remediation Available

linuxDebian

Fixed in:6.12.63-1CVE-2025-68338

Fixed in:6.17.11-1CVE-2025-68338

linuxUbuntu

Fixed in:6.17.0-19.19USN-8094-1

linux-awsUbuntu

Fixed in:6.17.0-1009.9USN-8094-1

linux-aws-6.17Ubuntu

Fixed in:6.17.0-1009.9~24.04.2USN-8094-1

linux-azureUbuntu

Fixed in:6.17.0-1010.10USN-8094-4

linux-azure-6.17Ubuntu

Fixed in:6.17.0-1010.10~24.04.1USN-8094-4

linux-gcpUbuntu

Fixed in:6.17.0-1009.9USN-8094-1

linux-gcp-6.17Ubuntu

Fixed in:6.17.0-1009.9~24.04.3USN-8094-2

linux-hwe-6.17Ubuntu

Fixed in:6.17.0-19.19~24.04.2USN-8094-1

linux-image-6.17.0-1008-realtimeUbuntu

Fixed in:6.17.0-1008.9~24.04.1USN-8094-3

Fixed in:6.17.0-1008.9USN-8094-2

linux-image-6.17.0-1009-awsUbuntu

Fixed in:6.17.0-1009.9~24.04.2USN-8094-1

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-6.17.0-1009-aws-64kUbuntu

Fixed in:6.17.0-1009.9~24.04.2USN-8094-1

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-6.17.0-1009-gcpUbuntu

Fixed in:6.17.0-1009.9~24.04.3USN-8094-2

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-6.17.0-1009-gcp-64kUbuntu

Fixed in:6.17.0-1009.9~24.04.3USN-8094-2

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-6.17.0-1009-oracleUbuntu

Fixed in:6.17.0-1009.9~24.04.1USN-8094-1

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-6.17.0-1009-oracle-64kUbuntu

Fixed in:6.17.0-1009.9~24.04.1USN-8094-1

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-6.17.0-1010-azureUbuntu

Fixed in:6.17.0-1010.10~24.04.1USN-8094-4

Fixed in:6.17.0-1010.10USN-8094-4

linux-image-6.17.0-1010-raspiUbuntu

Fixed in:6.17.0-1010.10USN-8094-5

linux-image-6.17.0-1017-oemUbuntu

Fixed in:6.17.0-1017.17USN-8152-1

linux-image-6.17.0-19-genericUbuntu

Fixed in:6.17.0-19.19~24.04.2USN-8094-1

Fixed in:6.17.0-19.19USN-8094-1

linux-image-6.17.0-19-generic-64kUbuntu

Fixed in:6.17.0-19.19~24.04.2USN-8094-1

Fixed in:6.17.0-19.19USN-8094-1

linux-image-awsUbuntu

Fixed in:6.17.0-1009.9~24.04.2USN-8094-1

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-aws-6.17Ubuntu

Fixed in:6.17.0-1009.9~24.04.2USN-8094-1

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-aws-64kUbuntu

Fixed in:6.17.0-1009.9~24.04.2USN-8094-1

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-aws-64k-6.17Ubuntu

Fixed in:6.17.0-1009.9~24.04.2USN-8094-1

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-azureUbuntu

Fixed in:6.17.0-1010.10~24.04.1USN-8094-4

Fixed in:6.17.0-1010.10USN-8094-4

linux-image-azure-6.17Ubuntu

Fixed in:6.17.0-1010.10~24.04.1USN-8094-4

Fixed in:6.17.0-1010.10USN-8094-4

linux-image-gcpUbuntu

Fixed in:6.17.0-1009.9~24.04.3USN-8094-2

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-gcp-6.17Ubuntu

Fixed in:6.17.0-1009.9~24.04.3USN-8094-2

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-gcp-64kUbuntu

Fixed in:6.17.0-1009.9~24.04.3USN-8094-2

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-gcp-64k-6.17Ubuntu

Fixed in:6.17.0-1009.9~24.04.3USN-8094-2

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-genericUbuntu

Fixed in:6.17.0-19.19USN-8094-1

linux-image-generic-6.17Ubuntu

Fixed in:6.17.0-19.19~24.04.2USN-8094-1

Fixed in:6.17.0-19.19USN-8094-1

linux-image-generic-64kUbuntu

Fixed in:6.17.0-19.19USN-8094-1

linux-image-generic-64k-6.17Ubuntu

Fixed in:6.17.0-19.19~24.04.2USN-8094-1

Fixed in:6.17.0-19.19USN-8094-1

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

Fixed in:6.17.0-19.19~24.04.2USN-8094-1

linux-image-generic-hwe-24.04Ubuntu

Fixed in:6.17.0-19.19~24.04.2USN-8094-1

linux-image-oem-24.04Ubuntu

Fixed in:6.17.0-1017.17USN-8152-1

linux-image-oem-24.04aUbuntu

Fixed in:6.17.0-1017.17USN-8152-1

linux-image-oem-24.04bUbuntu

Fixed in:6.17.0-1017.17USN-8152-1

linux-image-oem-24.04cUbuntu

Fixed in:6.17.0-1017.17USN-8152-1

linux-image-oem-24.04dUbuntu

Fixed in:6.17.0-1017.17USN-8152-1

linux-image-oem-6.17Ubuntu

Fixed in:6.17.0-1017.17USN-8152-1

linux-image-oracleUbuntu

Fixed in:6.17.0-1009.9~24.04.1USN-8094-1

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-oracle-6.17Ubuntu

Fixed in:6.17.0-1009.9~24.04.1USN-8094-1

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-oracle-64kUbuntu

Fixed in:6.17.0-1009.9~24.04.1USN-8094-1

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-oracle-64k-6.17Ubuntu

Fixed in:6.17.0-1009.9~24.04.1USN-8094-1

Fixed in:6.17.0-1009.9USN-8094-1

linux-image-raspiUbuntu

Fixed in:6.17.0-1010.10USN-8094-5

linux-image-raspi-6.17Ubuntu

Fixed in:6.17.0-1010.10USN-8094-5

linux-image-realtimeUbuntu

Fixed in:6.17.0-1008.9USN-8094-2

linux-image-realtime-6.17Ubuntu

Fixed in:6.17.0-1008.9~24.04.1USN-8094-3

Fixed in:6.17.0-1008.9USN-8094-2

linux-image-realtime-hwe-24.04Ubuntu

Fixed in:6.17.0-1008.9~24.04.1USN-8094-3

Fixed in:6.17.0-1008.9USN-8094-2

linux-image-virtualUbuntu

Fixed in:6.17.0-19.19USN-8094-1

linux-image-virtual-6.17Ubuntu

Fixed in:6.17.0-19.19~24.04.2USN-8094-1

Fixed in:6.17.0-19.19USN-8094-1

linux-image-virtual-hwe-24.04Ubuntu

Fixed in:6.17.0-19.19~24.04.2USN-8094-1

linux-oem-6.17Ubuntu

Fixed in:6.17.0-1017.17USN-8152-1

linux-oracleUbuntu

Fixed in:6.17.0-1009.9USN-8094-1

linux-oracle-6.17Ubuntu

Fixed in:6.17.0-1009.9~24.04.1USN-8094-1

linux-raspiUbuntu

Fixed in:6.17.0-1010.10USN-8094-5

linux-realtimeUbuntu

Fixed in:6.17.0-1008.9USN-8094-2

linux-realtime-6.17Ubuntu

Fixed in:6.17.0-1008.9~24.04.1USN-8094-3

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

0.15%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Other references3

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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 2025-12-23.