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7.8
HIGH CVSS 3.1
CVE-2022-50518
parisc: Fix locking in pdc_iodc_print() firmware call
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.

INFO

Published Date :

Oct. 7, 2025, 4:15 p.m.

Last Modified :

Feb. 4, 2026, 5:05 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2022-50518 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
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
Apply Linux kernel patches to fix locking and buffer overflow issues.
  • Update the Linux kernel to the latest version.
  • Apply specific security patches for parisc.
  • Review and test kernel modifications carefully.
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-2022-50518.

URL Resource
https://git.kernel.org/stable/c/04a603058e70b8b881bb7860b8bd649f931f2591 Patch
https://git.kernel.org/stable/c/553bc5890ed96a8d006224c3a4673c47fee0d12a Patch
https://git.kernel.org/stable/c/7236aae5f81f3efbd93d0601e74fc05994bc2580 Patch
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-50518 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-2022-50518 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-2022-50518 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-2022-50518 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.

  • Initial Analysis by [email protected]

    Feb. 04, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-667
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:2.6.25:rc9:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:2.6.25:rc8:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:2.6.25:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:2.6.25:rc7:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:2.6.25:-:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.1 up to (excluding) 6.1.4 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.24.5 up to (excluding) 2.6.25 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.25.1 up to (excluding) 6.0.18
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/04a603058e70b8b881bb7860b8bd649f931f2591 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/553bc5890ed96a8d006224c3a4673c47fee0d12a Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/7236aae5f81f3efbd93d0601e74fc05994bc2580 Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 07, 2025

    Action Type Old Value New Value
    Added 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.
    Added Reference https://git.kernel.org/stable/c/04a603058e70b8b881bb7860b8bd649f931f2591
    Added Reference https://git.kernel.org/stable/c/553bc5890ed96a8d006224c3a4673c47fee0d12a
    Added Reference https://git.kernel.org/stable/c/7236aae5f81f3efbd93d0601e74fc05994bc2580
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
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact