Vulnerability in Linux

CVE-2022-50518

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-50518: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

  • Linux — versions 6.0.18, 24319896af06b84f965bcefa0f2d926b726ed05b, 6.2
  • Linux Kernel — versions 2.6.25

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-50518?
CVE-2022-50518 is a high-severity vulnerability in Linux, classified under Improper Locking. CVSS score: 7.8/10. Published 2025-10-07.
How severe is CVE-2022-50518?
High severity. CVSS v3 base score is 7.8 out of 10.