cvedb.io
CVE-2021-4002
MEDIUM · CVSS 4.4
EPSS exploitation probability: 0%
Published 2022-03-03T22:15:08.527 · Last modified 2026-06-17T04:18:53.070

Summary

A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget() which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access to some data.

Affected products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.