In the Linux kernel, the following vulnerability has been resolved:

net: dsa: microchip: Fix error path in PTP IRQ setup

If request_threaded_irq() fails during the PTP message IRQ setup, the
newly created IRQ mapping is never disposed. Indeed, the
ksz_ptp_irq_setup()'s error path only frees the mappings that were
successfully set up.

Dispose the newly created mapping if the associated
request_threaded_irq() fails at setup.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
3b5a6115d6ea45df1ea65dc9b832b23db5d593ba affected < 3704ac6a0d9a78f66a187515a8ca3faedaf01cc5
1ba6da6ca3db76f6a39004fd33a9c990e428515e affected < e80fef36c676c947072dabeb5803ae59d92ba493
d0b8fec8ae50525b57139393d0bb1f446e82ff7e affected < 6c58a9fdb0d0e1011aa02455d26d6ebea251979b
d0b8fec8ae50525b57139393d0bb1f446e82ff7e affected < c2d1d41e0e8ec447d40a5752844fc5fb0b23db27
d0b8fec8ae50525b57139393d0bb1f446e82ff7e affected < 99c8c16a4aad0b37293cae213e15957c573cf79b
ae12e4e0ca231475bcef841c6a6722fa185fd520 affected —
Linux Linux affected
Version Status Constraints
6.18 affected —
0 unaffected < 6.18
6.6.130 unaffected ≤ 6.6.*
6.12.78 unaffected ≤ 6.12.*
6.18.19 unaffected ≤ 6.18.*
6.19.9 unaffected ≤ 6.19.*
7.0 unaffected ≤ *

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Fixes

Solution

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Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/3704ac6a0d9a78f66a187515a8ca3faedaf01cc5 cve-icon cve-icon
https://git.kernel.org/stable/c/6c58a9fdb0d0e1011aa02455d26d6ebea251979b cve-icon cve-icon
https://git.kernel.org/stable/c/99c8c16a4aad0b37293cae213e15957c573cf79b cve-icon cve-icon
https://git.kernel.org/stable/c/c2d1d41e0e8ec447d40a5752844fc5fb0b23db27 cve-icon cve-icon
https://git.kernel.org/stable/c/e80fef36c676c947072dabeb5803ae59d92ba493 cve-icon cve-icon
History

Fri, 08 May 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-401

Fri, 08 May 2026 14:45:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: net: dsa: microchip: Fix error path in PTP IRQ setup If request_threaded_irq() fails during the PTP message IRQ setup, the newly created IRQ mapping is never disposed. Indeed, the ksz_ptp_irq_setup()'s error path only frees the mappings that were successfully set up. Dispose the newly created mapping if the associated request_threaded_irq() fails at setup.
Title net: dsa: microchip: Fix error path in PTP IRQ setup
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-05-08T14:21:23.221Z

Reserved: 2026-05-01T14:12:56.006Z

Link: CVE-2026-43372

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-08T15:16:48.313

Modified: 2026-05-08T15:16:48.313

Link: CVE-2026-43372

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-08T16:15:12Z

Weaknesses