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CVE-2021-3759

Published: Aug 23, 2022

Modified: Aug 3, 2024

PUBLISHED

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.

Vendor	Product	Versions
n/a	kernel	affected `Fixed in Linux kernel 5.15-rc1`

Weaknesses (CWE)

References

https://bugzilla.redhat.com/show_bug.cgi?id=1999675

https://access.redhat.com/security/cve/CVE-2021-3759

https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive%40gmail.com/

[debian-lts-announce] 20221222 [SECURITY] [DLA 3244-1] linux-5.10 security update

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