CVE-2021-3744

MEDIUM

Linux Kernel - Memory Corruption

Title source: llm

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 (11)

[Exploit, Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2021/09/14/1

[Issue Tracking, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=2000627

[Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680

View Patch ZIP pw:eip

[Mailing List, Patch, Third Party Advisory] https://kernel.googlesource.com/pub/scm/linux/kernel/git/herbert/crypto-2.6/+/505d9dcb0f7ddf9d075e729523a33d38642ae680%5E%21/#F0

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html

[Exploit, Mailing List, Patch, Third Party Advisory] https://seclists.org/oss-sec/2021/q3/164

[Third Party Advisory] https://www.debian.org/security/2022/dsa-5096

[Patch, Third Party Advisory] https://www.oracle.com/security-alerts/cpujul2022.html

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/

Scores

CVSS v3 5.5

EPSS 0.0001

EPSS Percentile 1.4%

Attack Vector LOCAL

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

Classification

CWE

CWE-401

Status published

Affected Products (31)

linux/linux_kernel < 5.15

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

fedoraproject/fedora

fedoraproject/fedora

fedoraproject/fedora

debian/debian_linux

debian/debian_linux

redhat/build_of_quarkus

redhat/codeready_linux_builder

redhat/codeready_linux_builder_eus

redhat/codeready_linux_builder_for_power_little_endian

redhat/codeready_linux_builder_for_power_little_endian_eus

... and 16 more

Timeline

Published Mar 04, 2022

Tracked Since Feb 18, 2026