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

wifi: iwlwifi: Implement settime64 as stub for MVM/MLD PTP

Since commit dfb073d32cac ("ptp: Return -EINVAL on ptp_clock_register if
required ops are NULL"), PTP clock registered through ptp_clock_register
is required to have ptp_clock_info.settime64 set, however, neither MVM
nor MLD's PTP clock implementation sets it, resulting in warnings when
the interface starts up, like

WARNING: drivers/ptp/ptp_clock.c:325 at ptp_clock_register+0x2c8/0x6b8, CPU#1: wpa_supplicant/469
CPU: 1 UID: 0 PID: 469 Comm: wpa_supplicant Not tainted 6.18.0+ #101 PREEMPT(full)
ra: ffff800002732cd4 iwl_mvm_ptp_init+0x114/0x188 [iwlmvm]
ERA: 9000000002fdc468 ptp_clock_register+0x2c8/0x6b8
iwlwifi 0000:01:00.0: Failed to register PHC clock (-22)

I don't find an appropriate firmware interface to implement settime64()
for iwlwifi MLD/MVM, thus instead create a stub that returns
-EOPTNOTSUPP only, suppressing the warning and allowing the PTP clock to
be registered.
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Fixes

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Workaround

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History

Wed, 18 Feb 2026 14:45:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: Implement settime64 as stub for MVM/MLD PTP Since commit dfb073d32cac ("ptp: Return -EINVAL on ptp_clock_register if required ops are NULL"), PTP clock registered through ptp_clock_register is required to have ptp_clock_info.settime64 set, however, neither MVM nor MLD's PTP clock implementation sets it, resulting in warnings when the interface starts up, like WARNING: drivers/ptp/ptp_clock.c:325 at ptp_clock_register+0x2c8/0x6b8, CPU#1: wpa_supplicant/469 CPU: 1 UID: 0 PID: 469 Comm: wpa_supplicant Not tainted 6.18.0+ #101 PREEMPT(full) ra: ffff800002732cd4 iwl_mvm_ptp_init+0x114/0x188 [iwlmvm] ERA: 9000000002fdc468 ptp_clock_register+0x2c8/0x6b8 iwlwifi 0000:01:00.0: Failed to register PHC clock (-22) I don't find an appropriate firmware interface to implement settime64() for iwlwifi MLD/MVM, thus instead create a stub that returns -EOPTNOTSUPP only, suppressing the warning and allowing the PTP clock to be registered.
Title wifi: iwlwifi: Implement settime64 as stub for MVM/MLD PTP
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-02-18T14:21:47.369Z

Reserved: 2026-02-14T16:26:02.969Z

Link: CVE-2025-71226

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-18T15:18:40.453

Modified: 2026-02-18T15:18:40.453

Link: CVE-2025-71226

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses

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