CVE-2021-3764

medium

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

Advisories

https://security-tracker.debian.org/tracker/CVE-2021-3764

https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680

https://bugzilla.redhat.com/show_bug.cgi?id=1997467

https://access.redhat.com/security/cve/CVE-2021-3764

Details

Source: Mitre, NVD

Published: 2022-08-23

Updated: 2022-08-25

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00018