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CVE-2021-3744

MEDIUM
5.5
CVSS Score
Published: March 4, 2022 at 03:55 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
25 products affected across 5 vendorsLinux KernelDebian LinuxFedora

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.5%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (11)

Mailing Listx_refsource_MLISTExploitThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/09/14/1
x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2000627
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680
x_refsource_MISCMailing ListPatchThird Party Advisory
Source: [email protected]
https://kernel.googlesource.com/pub/scm/linux/kernel/git/herbert/crypto-2.6/+/505d9dcb0f7ddf9d075e729523a33d38642ae680%5E%21/#F0
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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