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CVE PROGRAM SOURCE RECORDUnscored

CVE-2021-4002

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 wi

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Status
Published
Published
Updated
Assigning organization
redhat

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

n/a kernel

  • affects kernel v3.6 and later through v5.15.5.affected

References