CVE-2025-38266

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2025-07-10. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

pinctrl: mediatek: eint: Fix invalid pointer dereference for v1 platforms

Commit 3ef9f710efcb ("pinctrl: mediatek: Add EINT support for multiple addresses") introduced an access to the 'soc' field of struct mtk_pinctrl in mtk_eint_do_init() and for that an include of pinctrl-mtk-common-v2.h.

However, pinctrl drivers relying on the v1 common driver include pinctrl-mtk-common.h instead, which provides another definition of struct mtk_pinctrl that does not contain an 'soc' field.

Since mtk_eint_do_init() can be called both by v1 and v2 drivers, it will now try to dereference an invalid pointer when called on v1 platforms. This has been observed on Genio 350 EVK (MT8365), which crashes very early in boot (the kernel trace can only be seen with earlycon).

In order to fix this, since 'struct mtk_pinctrl' was only needed to get a 'struct mtk_eint_pin', make 'struct mtk_eint_pin' a parameter of mtk_eint_do_init() so that callers need to supply it, removing mtk_eint_do_init()'s dependency on any particular 'struct mtk_pinctrl'.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity55% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

July 10, 2025

Last Modified

September 14, 2026

Advisory Details (5)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

pinctrl: mediatek: eint: Fix invalid pointer dereference for v1 platforms - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/1c9977b263475373b31bbf86af94a5c9ae2be42c
generic

pinctrl: mediatek: eint: Fix invalid pointer dereference for v1 platforms - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9ebe21ede792cef851847648962c363cac67d17f
generic

pinctrl: mediatek: eint: Fix invalid pointer dereference for v1 platforms - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/abe8ad6a1a00c5c7be28b038d0ede0bdcacd8610
generic

pinctrl: mediatek: eint: Fix invalid pointer dereference for v1 platforms - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e578bbff985822573a27d4b7c9ec858e6014d033
generic

pinctrl: mediatek: eint: Fix invalid pointer dereference for v1 platforms - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/eae2b12df3aac874566f7025799ca4219572e44c

Vendor Advisories for CVE-2025-38266(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
linuxKernel @ 6.15.2—osv

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 5× in last 7d / 27× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 141 total refreshes for this CVE.

  1. 2026-09-20 20:15 UTCEPSS rescore
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  6. 2026-09-14 12:36 UTCGHSA enrichment
  7. 2026-09-14 12:02 UTCEG score recompute
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  1. 2026-08-25 13:48 UTCEPSS rescore
  2. 2026-08-25 08:16 UTCOSV refresh
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  29. 2026-07-24 01:11 UTCOSV refresh
  30. 2026-07-23 02:54 UTCEG score recompute
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  55. 2026-07-06 19:19 UTCOSV refresh
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Frequently asked(5)

What is CVE-2025-38266?
CVE-2025-38266 is a medium vulnerability published on July 10, 2025. In the Linux kernel, the following vulnerability has been resolved: pinctrl: mediatek: eint: Fix invalid pointer dereference for v1 platforms Commit 3ef9f710efcb ("pinctrl: mediatek: Add EINT support for multiple addresses") introduced an access to the 'soc' field of struct mtkpinctrl in…
When was CVE-2025-38266 disclosed?
CVE-2025-38266 was first published in the National Vulnerability Database on July 10, 2025, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-38266 actively exploited?
CVE-2025-38266 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 93.8% of all scored CVEs.
What is the CVSS score of CVE-2025-38266?
CVE-2025-38266 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2025-38266?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-38266, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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