CVE-2021-43975

Aliases:UBUNTU-CVE-2021-43975DEBIAN-CVE-2021-43975
Advisory lineage Upstream: 0 Downstream: 31
Modified
Published: 17 Nov 2021, 16:32
Last modified:04 Aug 2024, 04:10

Vulnerability Summary

Overall Risk (default)
medium
37/100
CVSS Score
6.7 MEDIUM
v3.1 (nvd)
EPSS Score
0.55% LOW
1% probability +0.53%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

17 Nov 2021, 16:32
Published
Vulnerability first disclosed
04 Aug 2024, 04:10
Last Modified
Vulnerability information updated

Description

In the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a crafted device) to trigger an out-of-bounds write via a crafted length value.

CVSS Metrics

  • v3.1MEDIUMScore: 6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • v2.0MEDIUMScore: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.55% Percentile: 45%

Techniques & Countermeasures

  • CWE-787Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • debianlinux

    < 5.10.84-1 | < 5.15.5-2 | < 5.15.5-2 | < 5.15.5-2

  • ubuntulinux

    < 4.15.0-176.185 | < 5.4.0-100.113

  • ubuntulinux-aws

    < 4.15.0-1127.136 | < 5.4.0-1066.69

  • ubuntulinux-aws-5.0

    all

  • ubuntulinux-aws-5.11

    all

  • ubuntulinux-aws-5.13

    < 5.13.0-1019.21~20.04.1

  • ubuntulinux-aws-5.3

    all

  • ubuntulinux-aws-5.4

    < 5.4.0-1066.69~18.04.1

  • ubuntulinux-aws-5.8

    all

  • ubuntulinux-aws-fips

    < 4.15.0-2066.69 | all | < 5.4.0-1069.73+fips2

  • ubuntulinux-aws-hwe

    < 4.15.0-1127.136~16.04.1

  • ubuntulinux-azure

    < 4.15.0-1137.150~14.04.1 | < 4.15.0-1137.150~16.04.1 | all | < 5.4.0-1070.73

  • ubuntulinux-azure-4.15

    < 4.15.0-1137.150

  • ubuntulinux-azure-5.11

    all

  • ubuntulinux-azure-5.13

    < 5.13.0-1021.24~20.04.1

  • ubuntulinux-azure-5.3

    all

  • ubuntulinux-azure-5.4

    < 5.4.0-1070.73~18.04.1

  • ubuntulinux-azure-5.8

    all

  • ubuntulinux-azure-edge

    all

  • ubuntulinux-azure-fips

    < 4.15.0-2048.52 | all | < 5.4.0-1073.76+fips1

  • ubuntulinux-bluefield

    all | < 5.4.0-1028.31

  • ubuntulinux-dell300x

    < 4.15.0-1041.46

  • ubuntulinux-fips

    < 4.15.0-1084.93 | all | < 5.4.0-1043.49

  • ubuntulinux-gcp

    < 4.15.0-1121.135~16.04.1 | all | < 5.4.0-1065.69

  • ubuntulinux-gcp-4.15

    < 4.15.0-1121.135

  • ubuntulinux-gcp-5.11

    all

  • ubuntulinux-gcp-5.13

    < 5.13.0-1021.25~20.04.1

  • ubuntulinux-gcp-5.3

    all

  • ubuntulinux-gcp-5.4

    < 5.4.0-1065.69~18.04.1

  • ubuntulinux-gcp-5.8

    all

  • ubuntulinux-gcp-fips

    < 4.15.0-2031.34 | all | < 5.4.0-1067.71~20.04.1

  • ubuntulinux-gke

    < 5.4.0-1063.66

  • ubuntulinux-gke-4.15

    all

  • ubuntulinux-gke-5.4

    < 5.4.0-1063.66~18.04.1

  • ubuntulinux-gkeop

    < 5.4.0-1034.35

  • ubuntulinux-gkeop-5.4

    < 5.4.0-1034.35~18.04.1

  • ubuntulinux-hwe

    < 4.15.0-176.185~16.04.1 | all

  • ubuntulinux-hwe-5.11

    all

  • ubuntulinux-hwe-5.13

    < 5.13.0-37.42~20.04.1

  • ubuntulinux-hwe-5.4

    < 5.4.0-100.113~18.04.1

  • ubuntulinux-hwe-5.8

    all

  • ubuntulinux-hwe-edge

    all | all

  • ubuntulinux-ibm

    < 5.4.0-1015.16

  • ubuntulinux-ibm-5.4

    < 5.4.0-1015.16~18.04.1

  • ubuntulinux-intel-5.13

    all

  • ubuntulinux-intel-iot-realtime

    all

  • ubuntulinux-kvm

    < 4.15.0-1113.116 | < 5.4.0-1056.58

  • ubuntulinux-oem

    all

  • ubuntulinux-oem-5.10

    all

  • ubuntulinux-oem-5.13

    all

Showing first 50 affected entries in server-rendered view.

References (18)