CVE-2021-3744

medium

Description

A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/crypto/ccp/ccp-ops.c, which allows attackers to cause a denial of service (memory consumption). This vulnerability is similar with the older CVE-2019-18808.

References

Advisories
More

https://www.oracle.com/security-alerts/cpujul2022.html

https://www.debian.org/security/2022/dsa-5096

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/

https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html

https://kernel.googlesource.com/pub/scm/linux/kernel/git/herbert/crypto-2.6/+/505d9dcb0f7ddf9d075e729523a33d38642ae680%5E%21/#F0

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

https://bugzilla.redhat.com/show_bug.cgi?id=2000627

https://seclists.org/oss-sec/2021/q3/164

http://www.openwall.com/lists/oss-security/2021/09/14/1

Details

Source: Mitre, NVD

Published: 2022-03-04

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 2.1

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

Severity: Low

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: 0.00006