CVE-2021-3759

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.

CVSS v3.0 5.5 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2021-3759	Third Party Advisory
https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive@gmail.com/	Exploit Mailing List Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1999675	Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Information

Published : 2022-08-23 09:15

Updated : 2023-02-28 17:23

NVD link : CVE-2021-3759

Mitre link : CVE-2021-3759

JSON object : View

CWE

CWE-400

Uncontrolled Resource Consumption

Products Affected

debian

debian_linux

linux

linux_kernel

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5.5 /10