CVE-2021-3744

Aliases:UBUNTU-CVE-2021-3744DEBIAN-CVE-2021-3744
Advisory lineage Upstream: 0 Downstream: 34
Modified
Published: 04 Mar 2022, 15:55
Last modified:03 Aug 2024, 17:01

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.53% LOW
1% probability +0.52%
KEV
Not listed
Ransomware
No reports
Public exploits
2 found
Dark Web
Not detected

Timeline

04 Mar 2022, 15:55
Published
Vulnerability first disclosed
03 Aug 2024, 17:01
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.53%• Percentile: 44%

Techniques & Countermeasures

  • CWE-401•Missing Release of Memory after Effective Lifetime

    The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Affected Systems

  • debian•linux

    < 5.10.84-1 | < 5.14.12-1 | < 5.14.12-1 | < 5.14.12-1

  • ubuntu•linux

    < 4.15.0-163.171 | < 5.4.0-91.102

  • ubuntu•linux-aws

    < 4.15.0-1116.123 | < 5.4.0-1060.63

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    < 5.11.0-1022.23~20.04.1

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1060.63~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2057.59 | all | < 5.4.0-1069.73+fips2

  • ubuntu•linux-aws-hwe

    < 4.15.0-1116.123~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1127.140~14.04.1 | < 4.15.0-1127.140~16.04.1 | all | < 5.4.0-1064.67

  • ubuntu•linux-azure-4.15

    < 4.15.0-1127.140

  • ubuntu•linux-azure-5.11

    < 5.11.0-1022.23~20.04.1

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1064.67~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2039.43 | all | < 5.4.0-1073.76+fips1

  • ubuntu•linux-bluefield

    all | < 5.4.0-1022.25

  • ubuntu•linux-dell300x

    < 4.15.0-1031.36

  • ubuntu•linux-fips

    < 4.15.0-1073.82 | all | < 5.4.0-1037.43

  • ubuntu•linux-gcp

    < 4.15.0-1112.126~16.04.1 | all | < 5.4.0-1058.62

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1112.126

  • ubuntu•linux-gcp-5.11

    < 5.11.0-1023.25~20.04.1

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1058.62~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2022.24 | all | < 5.4.0-1067.71~20.04.1

  • ubuntu•linux-gke

    < 5.4.0-1056.59

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.4

    < 5.4.0-1056.59~18.04.1

  • ubuntu•linux-gkeop

    < 5.4.0-1027.28

  • ubuntu•linux-gkeop-5.4

    < 5.4.0-1027.28~18.04.1

  • ubuntu•linux-hwe

    < 4.15.0-163.171~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    < 5.11.0-41.45~20.04.1

  • ubuntu•linux-hwe-5.13

    < 5.13.0-22.22~20.04.1

  • ubuntu•linux-hwe-5.4

    < 5.4.0-91.102~18.04.1

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-ibm

    < 5.4.0-1008.9

  • ubuntu•linux-intel-5.13

    all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.15.0-1103.105 | < 5.4.0-1050.52

  • ubuntu•linux-oem

    all

  • ubuntu•linux-oem-5.10

    < 5.10.0-1051.53

  • ubuntu•linux-oem-5.13

    < 5.13.0-1020.24

  • ubuntu•linux-oem-5.14

    < 5.14.0-1007.7

  • ubuntu•linux-oem-5.6

    all

  • ubuntu•linux-oracle

    < 4.15.0-1084.92~16.04.1 | < 4.15.0-1084.92 | < 5.4.0-1058.62

Showing first 50 affected entries in server-rendered view.

References (20)