Is CVE-2025-40075 in the CISA KEV catalog?

No. CVE-2025-40075 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-40075?

CVE-2025-40075 has a CVSS v3 base score of 7.1 (Important).

What is the EPSS score for CVE-2025-40075?

CVE-2025-40075 has an EPSS score of 0.18% (8th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-40075?

Upgrade linux on debian 13 to 6.12.63-1 or later. Fixes are available for 46 affected products.

CVE & CISA-KEV Catalog

CVE-2025-40075

HIGH

7.1

CVSS v3

NVD

Description

In the Linux kernel, the following vulnerability has been resolved: tcp_metrics: use dst_dev_net_rcu() Replace three dst_dev() with a lockdep enabled helper.

How to fix

Remediation Available

linuxDebian

Fixed in:6.12.63-1CVE-2025-40075

Fixed in:6.17.6-1CVE-2025-40075

linuxUbuntu

Fixed in:6.17.0-14.14USN-8029-1

linux-awsUbuntu

Fixed in:6.17.0-1007.7USN-8029-2

linux-azureUbuntu

Fixed in:6.17.0-1008.8USN-8029-3

linux-gcpUbuntu

Fixed in:6.17.0-1007.7USN-8030-1

linux-image-6.17.0-1006-realtimeUbuntu

Fixed in:6.17.0-1006.7USN-8029-1

linux-image-6.17.0-1007-awsUbuntu

Fixed in:6.17.0-1007.7USN-8029-2

linux-image-6.17.0-1007-aws-64kUbuntu

Fixed in:6.17.0-1007.7USN-8029-2

linux-image-6.17.0-1007-gcpUbuntu

Fixed in:6.17.0-1007.7USN-8030-1

linux-image-6.17.0-1007-gcp-64kUbuntu

Fixed in:6.17.0-1007.7USN-8030-1

linux-image-6.17.0-1007-oracleUbuntu

Fixed in:6.17.0-1007.7USN-8029-2

linux-image-6.17.0-1007-oracle-64kUbuntu

Fixed in:6.17.0-1007.7USN-8029-2

linux-image-6.17.0-1008-azureUbuntu

Fixed in:6.17.0-1008.8USN-8029-3

linux-image-6.17.0-1008-raspiUbuntu

Fixed in:6.17.0-1008.8USN-8029-1

linux-image-6.17.0-1011-oemUbuntu

Fixed in:6.17.0-1011.11USN-8048-1

linux-image-6.17.0-14-genericUbuntu

Fixed in:6.17.0-14.14USN-8029-1

linux-image-6.17.0-14-generic-64kUbuntu

Fixed in:6.17.0-14.14USN-8029-1

linux-image-awsUbuntu

Fixed in:6.17.0-1007.7USN-8029-2

linux-image-aws-6.17Ubuntu

Fixed in:6.17.0-1007.7USN-8029-2

linux-image-aws-64kUbuntu

Fixed in:6.17.0-1007.7USN-8029-2

linux-image-aws-64k-6.17Ubuntu

Fixed in:6.17.0-1007.7USN-8029-2

linux-image-azureUbuntu

Fixed in:6.17.0-1008.8USN-8029-3

linux-image-azure-6.17Ubuntu

Fixed in:6.17.0-1008.8USN-8029-3

linux-image-gcpUbuntu

Fixed in:6.17.0-1007.7USN-8030-1

linux-image-gcp-6.17Ubuntu

Fixed in:6.17.0-1007.7USN-8030-1

linux-image-gcp-64kUbuntu

Fixed in:6.17.0-1007.7USN-8030-1

linux-image-gcp-64k-6.17Ubuntu

Fixed in:6.17.0-1007.7USN-8030-1

linux-image-genericUbuntu

Fixed in:6.17.0-14.14USN-8029-1

linux-image-generic-6.17Ubuntu

Fixed in:6.17.0-14.14USN-8029-1

linux-image-generic-64kUbuntu

Fixed in:6.17.0-14.14USN-8029-1

linux-image-generic-64k-6.17Ubuntu

Fixed in:6.17.0-14.14USN-8029-1

linux-image-oem-6.17Ubuntu

Fixed in:6.17.0-1011.11USN-8048-1

linux-image-oracleUbuntu

Fixed in:6.17.0-1007.7USN-8029-2

linux-image-oracle-6.17Ubuntu

Fixed in:6.17.0-1007.7USN-8029-2

linux-image-oracle-64kUbuntu

Fixed in:6.17.0-1007.7USN-8029-2

linux-image-oracle-64k-6.17Ubuntu

Fixed in:6.17.0-1007.7USN-8029-2

linux-image-raspiUbuntu

Fixed in:6.17.0-1008.8USN-8029-1

linux-image-raspi-6.17Ubuntu

Fixed in:6.17.0-1008.8USN-8029-1

linux-image-realtimeUbuntu

Fixed in:6.17.0-1006.7USN-8029-1

linux-image-realtime-6.17Ubuntu

Fixed in:6.17.0-1006.7USN-8029-1

linux-image-virtualUbuntu

Fixed in:6.17.0-14.14USN-8029-1

linux-image-virtual-6.17Ubuntu

Fixed in:6.17.0-14.14USN-8029-1

linux-oem-6.17Ubuntu

Fixed in:6.17.0-1011.11USN-8048-1

linux-oracleUbuntu

Fixed in:6.17.0-1007.7USN-8029-2

linux-raspiUbuntu

Fixed in:6.17.0-1008.8USN-8029-1

linux-realtimeUbuntu

Fixed in:6.17.0-1006.7USN-8029-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.18%probability of exploitation in 30 days

8thpercentile

Low risk: more likely to be exploited than 8% 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 2025-12-18.