Is CVE-2025-40146 in the CISA KEV catalog?

No. CVE-2025-40146 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-40146?

CVE-2025-40146 has a CVSS v3 base score of 5.5 (Moderate).

What is the EPSS score for CVE-2025-40146?

CVE-2025-40146 has an EPSS score of 0.20% (10th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-40146?

Upgrade linux on debian unstable to 6.17.6-1 or later. Fixes are available for 46 affected products.

CVE & CISA-KEV Catalog

CVE-2025-40146

MEDIUM

5.5

CVSS v3

NVD

Description

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix potential deadlock while nr_requests grown Allocate and free sched_tags while queue is freezed can deadlock[1], this is a long term problem, hence allocate memory before freezing queue and free memory after queue is unfreezed. [1] https://lore.kernel.org/all/[email protected]/

How to fix

Remediation Available

linuxDebian

Fixed in:6.17.6-1CVE-2025-40146

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

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.20%probability of exploitation in 30 days

10thpercentile

Low risk: more likely to be exploited than 10% of all known CVEs.

References

Other references2

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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 2025-11-12.