CVE-2021-3764

MEDIUM

Linux Kernel - DoS

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Third Party Advisory x_refsource_misc
https://security-tracker.debian.org/tracker/CVE-2021-3764
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1997467
Third Party Advisory x_refsource_misc
https://access.redhat.com/security/cve/CVE-2021-3764

Scores

CVSS v3 5.5
EPSS 0.0002
EPSS Percentile 4.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401 CWE-400
Status published
Products (2)
linux/linux_kernel 5.15 (4 CPE variants)
linux/linux_kernel < 5.14.20
Published Aug 23, 2022
Tracked Since Feb 18, 2026