VYPR
Medium severity4.4NVD Advisory· Published Mar 3, 2022· Updated Jun 17, 2026

CVE-2021-4002

CVE-2021-4002

Description

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.

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Affected products

264

Patches

Vulnerability mechanics

References

8

News mentions

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