CVE-2021-3764

CVSS V2 None CVSS V3 Medium 5.5

Description

A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The highest threat from this vulnerability is to system availability.

Overview

CVE ID
CVE-2021-3764

Assigner
secalert@redhat.com

Vulnerability Status
Analyzed

Published Version
2022-08-23T16:15:09

Last Modified Date
2022-08-25T02:33:47

Weakness Enumerations

CWE	URL
CWE-401	http://cwe.mitre.org/data/definitions/401.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
cpe:2.3:o:linux:linux_kernel::::::::	1	OR	5.14.20
cpe:2.3:o:linux:linux_kernel:5.15:-::::::	1	OR
cpe:2.3:o:linux:linux_kernel:5.15:rc1::::::	1	OR
cpe:2.3:o:linux:linux_kernel:5.15:rc2::::::	1	OR
cpe:2.3:o:linux:linux_kernel:5.15:rc3::::::	1	OR

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
5.5

Base Severity
MEDIUM

Exploitability Score
1.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680
https://access.redhat.com/security/cve/CVE-2021-3764
https://security-tracker.debian.org/tracker/CVE-2021-3764
https://bugzilla.redhat.com/show_bug.cgi?id=1997467

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-3764
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3764

History

Created	Old Value	New Value	Data Type	Notes
2022-08-23 17:00:10				Added to TrackCVE