CVE-2021-4002

2022-03-0321:42:47

CWE-459

redhat

www.cve.org

6.2 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.7%

JSON

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.

CNA Affected

[
  {
    "product": "kernel",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "affects kernel v3.6 and later through v5.15.5."
      }
    ]
  }
]