CVE-2021-3759

MediumCVSS 5.5/10Last modified Oct 14, 2026

Description

A memory overflow vulnerability was found in the Linux kernel’s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 23, 2022
Last modified
Oct 14, 2026
NVD status
Modified

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CVE-2021-3759: Medium severity, CVSS 5.5 | Vulnix