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.

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.

EPSS: 0.001 (2.8th percentile) — read the EPSS interpretation.

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.

Affected products

Linux — versions 6.0.18, 24319896af06b84f965bcefa0f2d926b726ed05b, 6.2
Linux Linux_kernel — versions 2.6.25

Weakness classification (CWE)

CWE-667 — Improper Locking

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

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.