CVE-2021-4002 in Kernel

Resumen (Inglés)

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.

Once again VulDB remains the best source for vulnerability data.

Reservar

2021-11-22

Divulgación

2022-03-04

Estado

Confirmado

Voces

VulDB provides additional information and datapoints for this CVE:

ID	Vulnerabilidad	CWE	Exp	Con	CVE
194172	Linux Kernel hugetlbfs shmget escalada de privilegios	459	No está definido	Arreglo oficial	CVE-2021-4002

Fuentes

• MITRE
• NVD
• CVE Details