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Vulnerabilities

Vulnerability · 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 modification

Published Oct 7, 2025 · catalog updated Aug 5, 2026 · Linux Linux

Check this week

CVE-2022-50518 is not in CISA KEV. FIRST estimates a 14.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
14.00%
Remediation
Version ranges on file
Affected products
vendor Linux Linux ef1afd4d79f0479960ff36bb5fe6ec6eba1ebff2 <553bc5890ed96a8d006224c3a4673c47fee0d12a

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Linux Linux ef1afd4d79f0479960ff36bb5fe6ec6eba1ebff2 <553bc5890ed96a8d006224c3a4673c47fee0d12aef1afd4d79f0479960ff36bb5fe6ec6eba1ebff2 <553bc5890ed96a8d006224c3a4673c47fee0d12a

How to fix CVE-2022-50518

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-50518 is not in CISA KEV. FIRST estimates a 14.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

Which versions are affected?

Compare what you have installed with Linux Linux ef1afd4d79f0479960ff36bb5fe6ec6eba1ebff2 <553bc5890ed96a8d006224c3a4673c47fee0d12a ef1afd4d79f0479960ff36bb5fe6ec6eba1ebff2 <553bc5890ed96a8d006224c3a4673c47fee0d12a. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 14.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 7, 2025 · EUVD

    Detected

    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.

  2. Aug 5, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2022-50518

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-32034

    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_r

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Aug 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.