CVE-2025-40217 Details
Description
In the Linux kernel, the following vulnerability has been resolved: pidfs: validate extensible ioctls Validate extensible ioctls stricter than we do now.
A vulnerability in the Linux kernel's PID filesystem (pidfs) has been addressed, focusing on the validation of extensible IOCTL commands. The previous validation was insufficient, allowing potential misuse of file descriptors. The vulnerability has been resolved by implementing stricter validation criteria for IOCTL commands, ensuring they meet specific requirements before being processed.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Dec 4, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/3c17001b21b9f168c957ced9384abe969019b609 | kernel.org | Source CodeVendor |
| https://git.kernel.org/stable/c/bf0fbf5e8b0aff8a4a0fb35e32b10083baa83c04 | kernel.org | Source CodeVendor |
Weakness Enumeration
No weakness enumeration is available for this CVE.
Affected Products
| Product | Versions |
|---|---|
| Linux kernel | All versions |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | kernel.org |
| Dec 4, 2025 | New CVE Received | kernel.org |
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