CVE-2021-3744

MEDIUM

Linux Kernel - Memory Corruption

Title source: llm
STIX 2.1

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)

Core 11
Core References
Exploit, Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/09/14/1
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=2000627
Exploit, Mailing List, Patch, Third Party Advisory x_refsource_misc
https://seclists.org/oss-sec/2021/q3/164
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2022/dsa-5096
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujul2022.html

Scores

CVSS v3 5.5
EPSS 0.0001
EPSS Percentile 1.3%
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
Status published
Products (28)
debian/debian_linux 9.0
debian/debian_linux 10.0
fedoraproject/fedora 33
fedoraproject/fedora 34
fedoraproject/fedora 35
linux/linux_kernel 5.15 (4 CPE variants)
linux/linux_kernel < 5.15
oracle/communications_cloud_native_core_binding_support_function 22.1.3
oracle/communications_cloud_native_core_network_exposure_function 22.1.1
oracle/communications_cloud_native_core_policy 22.2.0
... and 18 more
Published Mar 04, 2022
Tracked Since Feb 18, 2026