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CVE-2025-68766
irqchip/mchp-eic: Fix error code in mchp_eic_domain_alloc()
Description

In the Linux kernel, the following vulnerability has been resolved: irqchip/mchp-eic: Fix error code in mchp_eic_domain_alloc() If irq_domain_translate_twocell() sets "hwirq" to >= MCHP_EIC_NIRQ (2) then it results in an out of bounds access. The code checks for invalid values, but doesn't set the error code. Return -EINVAL in that case, instead of returning success.

INFO

Published Date :

Jan. 5, 2026, 10:15 a.m.

Last Modified :

Jan. 5, 2026, 10:15 a.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2025-68766 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Fix out-of-bounds access by returning an error for invalid interrupt values.
  • Apply the kernel patch for irqchip/mchp-eic.
  • Ensure invalid interrupt values return -EINVAL.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-68766.

URL Resource
https://git.kernel.org/stable/c/09efe7cfbf919c4d763bc425473fcfee0dc98356
https://git.kernel.org/stable/c/3873afcb57614c1aaa5b6715554d6d1c22cac95a
https://git.kernel.org/stable/c/7dbc0d40d8347bd9de55c904f59ea44bcc8dedb7
https://git.kernel.org/stable/c/efd65e2e2fd96f7aaa5cb07d79bbbfcfc80aa552
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-68766 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-68766 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-68766 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-68766 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jan. 05, 2026

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: irqchip/mchp-eic: Fix error code in mchp_eic_domain_alloc() If irq_domain_translate_twocell() sets "hwirq" to >= MCHP_EIC_NIRQ (2) then it results in an out of bounds access. The code checks for invalid values, but doesn't set the error code. Return -EINVAL in that case, instead of returning success.
    Added Reference https://git.kernel.org/stable/c/09efe7cfbf919c4d763bc425473fcfee0dc98356
    Added Reference https://git.kernel.org/stable/c/3873afcb57614c1aaa5b6715554d6d1c22cac95a
    Added Reference https://git.kernel.org/stable/c/7dbc0d40d8347bd9de55c904f59ea44bcc8dedb7
    Added Reference https://git.kernel.org/stable/c/efd65e2e2fd96f7aaa5cb07d79bbbfcfc80aa552
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.