CVE-2022-50518 Details
Description
In the Linux kernel, the following vulnerability has been resolved: parisc: Fix locking in pdc_iodc_print() firmware call Utilize pdc_lock spinlock to protect parallel modifications of the iodc_dbuf[] buffer, check length to prevent buffer overflow of iodc_dbuf[], drop the iodc_retbuf[] buffer and fix some wrong indentings.
A vulnerability has been addressed in the Linux kernel for the Parisc architecture, specifically in the IODC firmware call handling. The issue involved improper locking mechanisms that could lead to parallel modifications of a shared buffer, potentially causing a buffer overflow. The vulnerability has been fixed by implementing a spinlock to manage concurrent access, validating buffer lengths to prevent overflows, and correcting some indentation errors in the code.
Users can upgrade to the latest version of the Linux kernel to address this vulnerability. The specific commit containing the fix can be downloaded from the Linux kernel stable Git repository.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/04a603058e70b8b881bb7860b8bd649f931f2591 | kernel.org | Patch |
| https://git.kernel.org/stable/c/553bc5890ed96a8d006224c3a4673c47fee0d12a | kernel.org | Patch |
| https://git.kernel.org/stable/c/7236aae5f81f3efbd93d0601e74fc05994bc2580 | kernel.org | Patch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-667 | Improper Locking | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | >= 2.6.24.5, < 2.6.25 >= 2.6.25.1, < 6.0.18 >= 6.1, < 6.1.4 2.6.25 - 2.6.25 rc6 2.6.25 rc7 2.6.25 rc8 2.6.25 rc9 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 4, 2026 | CVE Modified | kernel.org |
| Jun 17, 2026 | CVE Modified | kernel.org |
| Mar 17, 2026 | Modified Analysis | [email protected] |
| Feb 4, 2026 | Initial Analysis | [email protected] |
| Oct 7, 2025 | New CVE Received | kernel.org |