How severe is CVE-2022-50518?

CVE-2022-50518 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-50518 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-50518?

CVE-2022-50518 primarily affects Linux Linux Kernel. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-50518?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2022-50518 have an EU (EUVD) identifier?

Yes. CVE-2022-50518 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-32034.

When was CVE-2022-50518 published?

CVE-2022-50518 was published on 2025-10-07 and last updated on 2026-08-04.

CVE-2022-50518

CVE-2022-50518 is a high-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-667.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-32034
Weakness: CWE-667
Affected product: Linux Linux Kernel
Published: 2025-10-07
Last modified: 2026-08-04

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.

Frequently asked questions

What is 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.
How severe is CVE-2022-50518?: CVE-2022-50518 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-50518 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-50518?: CVE-2022-50518 primarily affects Linux Linux Kernel. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-50518?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2022-50518 have an EU (EUVD) identifier?: Yes. CVE-2022-50518 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-32034.
When was CVE-2022-50518 published?: CVE-2022-50518 was published on 2025-10-07 and last updated on 2026-08-04.

References

Affected products (6)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.25:-:*:*:*:*:*:*
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:rc8:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.25:rc9:*:*:*:*:*:*

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