CVE-2022-50448
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-01

Last updated on: 2025-10-02

Assigner: kernel.org

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.
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Meta Information
Published
2025-10-01
Last Modified
2025-10-02
Generated
2026-05-07
AI Q&A
2025-10-01
EPSS Evaluated
2026-05-05
NVD
CVE-2022-50448
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability involves the Linux kernel's memory management subsystem, specifically related to the uffd (userfaultfd) feature. When the PTE_MARKER_UFFD_WP configuration option is not enabled, the kernel code could still reach a section that handles this marker, causing a warning. The fix ensures that code related to PTE_MARKER_UFFD_WP is only reachable when the feature is compiled in, preventing unintended warnings.


How can this vulnerability impact me? :

The impact of this vulnerability is primarily related to kernel warnings that could be triggered incorrectly when the PTE_MARKER_UFFD_WP feature is not enabled. It does not describe a security breach or exploit but rather a code correctness and stability issue that could affect kernel behavior or debugging.


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