VDB

DEBIAN-CVE-2021-4002

DEBIAN-CVE-2021-4002 PUBLISHED CVSS 4.400000095367432 MEDIUM

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.

Risk Scores

CVSS 3.1
4.400000095367432
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected Products

VendorProductVersions
Debian:14linux0, 0, 0
Debian:13linux0, 0, 0
Debian:12linux0, 0, 0
Debian:11linux5.10.70-1, 5.10.46-4, 5.10.46-5

Timeline

  • Mar 3, 2022 CVE Published
  • Apr 28, 2026 CVE Updated
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