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Vulnerability record · CVE-2022-50518 · published 7 October 2025

CVE-2022-50518: Linux kernel vulnerability

Linux · Linux Kernel

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.

7.8 CVSS 3.1 High EPSS 0.14% · top 97.5% CWE-667 · CWE-667
7.8CVSS 3.1 base score
0.14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
4 Aug 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/04a603058e70b8b881bb7860b8bd649f931f2591 Patch
https://git.kernel.org/stable/c/553bc5890ed96a8d006224c3a4673c47fee0d12a Patch
https://git.kernel.org/stable/c/7236aae5f81f3efbd93d0601e74fc05994bc2580 Patch

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Source: NIST National Vulnerability Database (record CVE-2022-50518), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.