Is CVE-2022-50448 in the CISA KEV catalog?

No. CVE-2022-50448 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-50448?

CVE-2022-50448 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2022-50448?

CVE-2022-50448 has an EPSS score of 0.15% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-50448?

Upgrade linux on debian 12 to 6.0.3-1 or later.

CVE & CISA-KEV Catalog

CVE-2022-50448

MEDIUM

5.5

CVSS v3

NVD

Description

In the Linux kernel, the following vulnerability has been resolved: mm/uffd: fix warning without PTE_MARKER_UFFD_WP compiled in When PTE_MARKER_UFFD_WP not configured, it's still possible to reach pte marker code and trigger an warning. Add a few CONFIG_PTE_MARKER_UFFD_WP ifdefs to make sure the code won't be reached when not compiled in.

How to fix

Remediation Available

linuxDebian

Fixed in:6.0.3-1CVE-2022-50448

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.15%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Patch3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-16.