UBUNTU-CVE-2020-24490

Advisory lineage Upstream: 1 Downstream: 11
Upstream
CVE-2020-24490
Published: 14 Oct 2020, 00:00
Last modified:03 Jun 2026, 13:34

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Oct 2020, 00:00
Published
Vulnerability first disclosed
03 Jun 2026, 13:34
Last Modified
Vulnerability information updated

Description

Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • ubuntu•linux

    < 4.4.0-262.296 | < 4.15.0-122.124 | < 5.4.0-52.57 | < 5.15.0-130.140 | < 6.8.0-35.35

  • ubuntu•linux-aws

    < 5.15.0-1076.83 | < 6.8.0-1009.9

  • ubuntu•linux-aws-5.15

    < 5.15.0-1075.82~20.04.1

  • ubuntu•linux-aws-fips

    < 4.15.0-2031.32 | all | < 5.4.0-1069.73+fips2 | < 5.15.0-1076.83+fips1

  • ubuntu•linux-azure

    < 5.15.0-1078.87 | < 6.8.0-1008.8

  • ubuntu•linux-azure-5.15

    < 5.15.0-1078.87~20.04.1

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2013.15 | all | < 5.4.0-1073.76+fips1 | < 5.15.0-1078.87+fips1

  • ubuntu•linux-bluefield

    < 5.15.0-1058.60 | < 5.15.0-1058.60 | all

  • ubuntu•linux-fips

    < 4.4.0-1108.115 | all | < 4.15.0-1045.52 | < 5.15.0-128.138+fips1

  • ubuntu•linux-gcp

    < 5.15.0-1074.83 | < 6.8.0-1008.9

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1074.83~20.04.1

  • ubuntu•linux-gcp-fips

    all | < 5.4.0-1067.71~20.04.1 | < 5.15.0-1073.81+fips1

  • ubuntu•linux-gke

    all | < 5.15.0-1072.78 | < 6.8.0-1004.7

  • ubuntu•linux-gkeop

    < 5.15.0-1057.64

  • ubuntu•linux-hwe

    < 4.15.0-122.124~16.04.1 | all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-130.140~20.04.1

  • ubuntu•linux-hwe-5.4

    < 5.4.0-52.57~18.04.1

  • ubuntu•linux-hwe-edge

    all

  • ubuntu•linux-ibm

    < 5.15.0-1067.70 | < 6.8.0-1006.6

  • ubuntu•linux-ibm-5.15

    < 5.15.0-1067.70~20.04.1

  • ubuntu•linux-intel-iot-realtime

    < 5.15.0-1071.73 | < 5.15.0-1071.73

  • ubuntu•linux-intel-iotg

    < 5.15.0-1071.77

  • ubuntu•linux-intel-iotg-5.15

    < 5.15.0-1071.77~20.04.1

  • ubuntu•linux-kvm

    < 5.15.0-1071.76

  • ubuntu•linux-lowlatency

    < 5.15.0-128.138 | < 6.8.0-35.35.1

  • ubuntu•linux-lowlatency-hwe-5.15

    < 5.15.0-128.138~20.04.1

  • ubuntu•linux-lts-xenial

    < 4.4.0-262.296~14.04.1

  • ubuntu•linux-nvidia

    all | < 5.15.0-1070.71

  • ubuntu•linux-nvidia-tegra

    < 5.15.0-1032.32

  • ubuntu•linux-nvidia-tegra-5.15

    < 5.15.0-1032.32~20.04.1

  • ubuntu•linux-nvidia-tegra-igx

    < 5.15.0-1020.20

  • ubuntu•linux-oem-5.6

    < 5.6.0-1048.52

  • ubuntu•linux-oem-6.8

    < 6.8.0-1006.6

  • ubuntu•linux-oem-osp1

    < 5.0.0-1071.77

  • ubuntu•linux-oracle

    < 5.15.0-1073.79 | < 6.8.0-1006.6

  • ubuntu•linux-oracle-5.15

    < 5.15.0-1072.78~20.04.1

  • ubuntu•linux-raspi

    < 5.4.0-1022.25 | < 5.15.0-1070.73 | < 6.8.0-1005.5

  • ubuntu•linux-raspi-5.4

    < 5.4.0-1022.25~18.04.1

  • ubuntu•linux-raspi-realtime

    < 6.8.0-2004.4 | < 6.8.0-2004.4

  • ubuntu•linux-raspi2

    all

  • ubuntu•linux-raspi2-5.3

    < 5.3.0-1036.38

  • ubuntu•linux-realtime

    < 5.15.0-1075.83 | < 6.8.1-1002.2 | all | < 5.15.0-1075.83 | < 6.8.1-1002.2

  • ubuntu•linux-riscv

    < 5.4.0-34.38 | all | < 6.8.0-35.35.1

  • ubuntu•linux-riscv-5.15

    < 5.15.0-1070.74~20.04.1

  • ubuntu•linux-xilinx-zynqmp

    < 5.15.0-1041.45

References (15)