CVE-2021-0129: Medium severity BlueZ BlueZ vulnerability

Published May 26, 2021
·
Updated

A flaw was found in the Linux kernel. Improper access control in BlueZ may allow an authenticated user to potentially enable information disclosure via adjacent access. The highest threat from this vulnerability is to data confidentiality and integrity.

Affected Software

122 affected componentsFixes available
debian/bluez<=5.55-3, <=5.50-1.2, <=5.50-1.2~deb10u1
5.58-1~exp05.55-3.15.50-1.2~deb10u2
redhat/kernel-rt<0:4.18.0-348.rt7.130.el8
0:4.18.0-348.rt7.130.el8
redhat/kernel<0:4.18.0-348.el8
0:4.18.0-348.el8
redhat/kernel<5.13
5.13
All of the following
BlueZ BlueZ<5.57
Any of the following
Linux Linux kernel>=2.6.12<4.4.270
Linux Linux kernel>=4.9<4.9.270
Linux Linux kernel>=4.14<4.14.234
Linux Linux kernel>=4.19<4.19.192
Linux Linux kernel>=5.4<5.4.122
Linux Linux kernel>=5.10<5.10.40
Linux Linux kernel>=5.12<5.12.7
Linux Linux kernel=5.13-rc1
redhat Enterprise Linux=7.0
redhat Enterprise Linux=8.0
Debian Debian Linux=9.0
BlueZ BlueZ<5.57
Linux Linux kernel>=2.6.12<4.4.270
Linux Linux kernel>=4.9<4.9.270
Linux Linux kernel>=4.14<4.14.234
Linux Linux kernel>=4.19<4.19.192
Linux Linux kernel>=5.4<5.4.122
Linux Linux kernel>=5.10<5.10.40
Linux Linux kernel>=5.12<5.12.7
Linux Linux kernel=5.13-rc1
debian/bluez
5.55-3.1+deb11u15.55-3.1+deb11u25.66-1+deb12u25.66-1+deb12u15.82-1
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.22-16.12.25-1
ubuntu/linux-aws<4.4.0-1099.104
4.4.0-1099.104
ubuntu/linux-azure<4.15.0-1121.134~14.04.1
4.15.0-1121.134~14.04.1
ubuntu/linux-lts-xenial<4.4.0-219.252~14.04.1
4.4.0-219.252~14.04.1
ubuntu/linux*
ubuntu/bluez<5.37-0ubuntu5.3+esm1
5.37-0ubuntu5.3+esm1
ubuntu/linux<4.4.0-219.252
4.4.0-219.252
ubuntu/linux-aws<4.4.0-1135.149
4.4.0-1135.149
ubuntu/linux-aws-hwe<4.15.0-1109.116~16.04.1
4.15.0-1109.116~16.04.1
ubuntu/linux-azure<4.15.0-1121.134~16.04.1
4.15.0-1121.134~16.04.1
ubuntu/linux-gcp<4.15.0-1106.120~16.04.1
4.15.0-1106.120~16.04.1
ubuntu/linux-hwe<4.15.0-151.157~16.04.1
4.15.0-151.157~16.04.1
ubuntu/linux-kvm<4.4.0-1100.109
4.4.0-1100.109
ubuntu/linux-oracle<4.15.0-1078.86~16.04.1
4.15.0-1078.86~16.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-fips<4.4.0-1069.75
4.4.0-1069.75
ubuntu/linux-fips*
ubuntu/bluez<5.48-0ubuntu3.5
5.48-0ubuntu3.5
ubuntu/linux<4.15.0-151.157
4.15.0-151.157
ubuntu/linux-aws<4.15.0-1109.116
4.15.0-1109.116
ubuntu/linux-aws-5.4<5.4.0-1054.57~18.04.1
5.4.0-1054.57~18.04.1
ubuntu/linux-azure-4.15<4.15.0-1121.134
4.15.0-1121.134
ubuntu/linux-azure-5.4<5.4.0-1055.57~18.04.1
5.4.0-1055.57~18.04.1
ubuntu/linux-dell300x<4.15.0-1027.32
4.15.0-1027.32
ubuntu/linux-gcp-4.15<4.15.0-1106.120
4.15.0-1106.120
ubuntu/linux-gcp-5.4<5.4.0-1049.53~18.04.1
5.4.0-1049.53~18.04.1
ubuntu/linux-gke-5.4<5.4.0-1049.52~18.04.1
5.4.0-1049.52~18.04.1
ubuntu/linux-gkeop-5.4<5.4.0-1021.22~18.04.1
5.4.0-1021.22~18.04.1
ubuntu/linux-hwe-5.4<5.4.0-80.90~18.04.1
5.4.0-80.90~18.04.1
ubuntu/linux-kvm<4.15.0-1097.99
4.15.0-1097.99
ubuntu/linux-oracle<4.15.0-1078.86
4.15.0-1078.86
ubuntu/linux-oracle-5.4<5.4.0-1052.56~18.04.1
5.4.0-1052.56~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1041.45~18.04.1
5.4.0-1041.45~18.04.1
ubuntu/linux-raspi2<4.15.0-1092.98
4.15.0-1092.98
ubuntu/linux-snapdragon<4.15.0-1109.118
4.15.0-1109.118
ubuntu/linux-aws-5.0*
ubuntu/linux-aws-5.3*
ubuntu/linux-azure*
ubuntu/linux-azure-5.3*
ubuntu/linux-azure-edge*
ubuntu/linux-gcp*
ubuntu/linux-gcp-5.3*
ubuntu/linux-gcp-edge*
ubuntu/linux-gke-4.15*
ubuntu/linux-hwe*
ubuntu/linux-hwe-edge*
ubuntu/linux-oem*
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-aws-fips<4.15.0-2051.53
4.15.0-2051.53
ubuntu/linux-azure-fips<4.15.0-2033.37
4.15.0-2033.37
ubuntu/linux-fips<4.15.0-1066.75
4.15.0-1066.75
ubuntu/linux-gcp-fips<4.15.0-2016.18
4.15.0-2016.18
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/bluez<5.53-0ubuntu3.2
5.53-0ubuntu3.2
ubuntu/linux<5.4.0-80.90
5.4.0-80.90
ubuntu/linux-aws<5.4.0-1054.57
5.4.0-1054.57
ubuntu/linux-aws-5.11<5.11.0-1016.17~20.04.1
5.11.0-1016.17~20.04.1
ubuntu/linux-aws-5.8<5.8.0-1042.44~20.04.1
5.8.0-1042.44~20.04.1
ubuntu/linux-azure<5.4.0-1055.57
5.4.0-1055.57
ubuntu/linux-azure-5.11<5.11.0-1013.14~20.04.1
5.11.0-1013.14~20.04.1
ubuntu/linux-azure-5.8<5.8.0-1040.43~20.04.1
5.8.0-1040.43~20.04.1
ubuntu/linux-bluefield<5.4.0-1016.19
5.4.0-1016.19
ubuntu/linux-gcp<5.4.0-1049.53
5.4.0-1049.53
ubuntu/linux-gcp-5.11<5.11.0-1017.19~20.04.1
5.11.0-1017.19~20.04.1
ubuntu/linux-gcp-5.8<5.8.0-1039.41
5.8.0-1039.41
ubuntu/linux-gke<5.4.0-1049.52
5.4.0-1049.52
ubuntu/linux-gkeop<5.4.0-1021.22
5.4.0-1021.22
ubuntu/linux-hwe-5.11<5.11.0-34.36~20.04.1
5.11.0-34.36~20.04.1
ubuntu/linux-kvm<5.4.0-1044.46
5.4.0-1044.46
ubuntu/linux-oem-5.10<5.10.0-1032.33
5.10.0-1032.33
ubuntu/linux-oracle<5.4.0-1052.56
5.4.0-1052.56
ubuntu/linux-oracle-5.11<5.11.0-1016.17~20.04.1
5.11.0-1016.17~20.04.1
ubuntu/linux-oracle-5.8<5.8.0-1038.39~20.04.1
5.8.0-1038.39~20.04.1
ubuntu/linux-raspi<5.4.0-1041.45
5.4.0-1041.45
ubuntu/linux-riscv-5.11<5.11.0-1017.18~20.04.1
5.11.0-1017.18~20.04.1
ubuntu/linux-azure-fde-5.15<5.15.0-1114.123~20.04.1
5.15.0-1114.123~20.04.1
ubuntu/linux-hwe-5.8*
ubuntu/linux-oem-5.6*
ubuntu/linux-raspi2*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.8*
ubuntu/linux-aws-fips<5.4.0-1069.73+fips2
5.4.0-1069.73+fips2
ubuntu/linux-azure-fips<5.4.0-1073.76+fips1
5.4.0-1073.76+fips1
ubuntu/linux-fips<5.4.0-1031.36
5.4.0-1031.36
ubuntu/linux-gcp-fips<5.4.0-1067.71~20.04.1
5.4.0-1067.71~20.04.1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux-intel-iot-realtime*
ubuntu/linux-realtime*
ubuntu/linux-raspi-realtime*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/bluez to a version that resolves this vulnerability.

    Fixed in 5.58-1~exp0Fixed in 5.55-3.1Fixed in 5.50-1.2~deb10u2
  2. Upgrade

    Upgrade redhat/kernel-rt to a version that resolves this vulnerability.

    Fixed in 0:4.18.0-348.rt7.130.el8
  3. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 0:4.18.0-348.el8
  4. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 5.13
  5. Upgrade

    Upgrade debian/bluez to a version that resolves this vulnerability.

    Fixed in 5.55-3.1+deb11u1Fixed in 5.55-3.1+deb11u2Fixed in 5.66-1+deb12u2Fixed in 5.66-1+deb12u1Fixed in 5.82-1
  6. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.22-1Fixed in 6.12.25-1
  7. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.4.0-1099.104
  8. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 4.15.0-1121.134~14.04.1
  9. Upgrade

    Upgrade ubuntu/linux-lts-xenial to a version that resolves this vulnerability.

    Fixed in 4.4.0-219.252~14.04.1
  10. Upgrade

    Upgrade ubuntu/bluez to a version that resolves this vulnerability.

    Fixed in 5.37-0ubuntu5.3+esm1
  11. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 4.4.0-219.252
  12. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.4.0-1135.149
  13. Upgrade

    Upgrade ubuntu/linux-aws-hwe to a version that resolves this vulnerability.

    Fixed in 4.15.0-1109.116~16.04.1
  14. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 4.15.0-1121.134~16.04.1
  15. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 4.15.0-1106.120~16.04.1
  16. Upgrade

    Upgrade ubuntu/linux-hwe to a version that resolves this vulnerability.

    Fixed in 4.15.0-151.157~16.04.1
  17. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 4.4.0-1100.109
  18. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 4.15.0-1078.86~16.04.1
  19. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 4.4.0-1069.75
  20. Upgrade

    Upgrade ubuntu/bluez to a version that resolves this vulnerability.

    Fixed in 5.48-0ubuntu3.5
  21. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 4.15.0-151.157
  22. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.15.0-1109.116
  23. Upgrade

    Upgrade ubuntu/linux-aws-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1054.57~18.04.1
  24. Upgrade

    Upgrade ubuntu/linux-azure-4.15 to a version that resolves this vulnerability.

    Fixed in 4.15.0-1121.134
  25. Upgrade

    Upgrade ubuntu/linux-azure-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1055.57~18.04.1
  26. Upgrade

    Upgrade ubuntu/linux-dell300x to a version that resolves this vulnerability.

    Fixed in 4.15.0-1027.32
  27. Upgrade

    Upgrade ubuntu/linux-gcp-4.15 to a version that resolves this vulnerability.

    Fixed in 4.15.0-1106.120
  28. Upgrade

    Upgrade ubuntu/linux-gcp-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1049.53~18.04.1
  29. Upgrade

    Upgrade ubuntu/linux-gke-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1049.52~18.04.1
  30. Upgrade

    Upgrade ubuntu/linux-gkeop-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1021.22~18.04.1
  31. Upgrade

    Upgrade ubuntu/linux-hwe-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-80.90~18.04.1
  32. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 4.15.0-1097.99
  33. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 4.15.0-1078.86
  34. Upgrade

    Upgrade ubuntu/linux-oracle-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1052.56~18.04.1
  35. Upgrade

    Upgrade ubuntu/linux-raspi-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1041.45~18.04.1
  36. Upgrade

    Upgrade ubuntu/linux-raspi2 to a version that resolves this vulnerability.

    Fixed in 4.15.0-1092.98
  37. Upgrade

    Upgrade ubuntu/linux-snapdragon to a version that resolves this vulnerability.

    Fixed in 4.15.0-1109.118
  38. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-2051.53
  39. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-2033.37
  40. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-1066.75
  41. Upgrade

    Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-2016.18
  42. Upgrade

    Upgrade ubuntu/bluez to a version that resolves this vulnerability.

    Fixed in 5.53-0ubuntu3.2
  43. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 5.4.0-80.90
  44. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 5.4.0-1054.57
  45. Upgrade

    Upgrade ubuntu/linux-aws-5.11 to a version that resolves this vulnerability.

    Fixed in 5.11.0-1016.17~20.04.1
  46. Upgrade

    Upgrade ubuntu/linux-aws-5.8 to a version that resolves this vulnerability.

    Fixed in 5.8.0-1042.44~20.04.1
  47. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 5.4.0-1055.57
  48. Upgrade

    Upgrade ubuntu/linux-azure-5.11 to a version that resolves this vulnerability.

    Fixed in 5.11.0-1013.14~20.04.1
  49. Upgrade

    Upgrade ubuntu/linux-azure-5.8 to a version that resolves this vulnerability.

    Fixed in 5.8.0-1040.43~20.04.1
  50. Upgrade

    Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.

    Fixed in 5.4.0-1016.19
  51. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 5.4.0-1049.53
  52. Upgrade

    Upgrade ubuntu/linux-gcp-5.11 to a version that resolves this vulnerability.

    Fixed in 5.11.0-1017.19~20.04.1
  53. Upgrade

    Upgrade ubuntu/linux-gcp-5.8 to a version that resolves this vulnerability.

    Fixed in 5.8.0-1039.41
  54. Upgrade

    Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.

    Fixed in 5.4.0-1049.52
  55. Upgrade

    Upgrade ubuntu/linux-gkeop to a version that resolves this vulnerability.

    Fixed in 5.4.0-1021.22
  56. Upgrade

    Upgrade ubuntu/linux-hwe-5.11 to a version that resolves this vulnerability.

    Fixed in 5.11.0-34.36~20.04.1
  57. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 5.4.0-1044.46
  58. Upgrade

    Upgrade ubuntu/linux-oem-5.10 to a version that resolves this vulnerability.

    Fixed in 5.10.0-1032.33
  59. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 5.4.0-1052.56
  60. Upgrade

    Upgrade ubuntu/linux-oracle-5.11 to a version that resolves this vulnerability.

    Fixed in 5.11.0-1016.17~20.04.1
  61. Upgrade

    Upgrade ubuntu/linux-oracle-5.8 to a version that resolves this vulnerability.

    Fixed in 5.8.0-1038.39~20.04.1
  62. Upgrade

    Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.

    Fixed in 5.4.0-1041.45
  63. Upgrade

    Upgrade ubuntu/linux-riscv-5.11 to a version that resolves this vulnerability.

    Fixed in 5.11.0-1017.18~20.04.1
  64. Upgrade

    Upgrade ubuntu/linux-azure-fde-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1114.123~20.04.1
  65. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1069.73+fips2
  66. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1073.76+fips1
  67. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1031.36
  68. Upgrade

    Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1067.71~20.04.1

Event History

Jun 8, 2021
CVE Published
03:30 AM
Data Sourced
via OSV·05:00 PM
DescriptionSeverityAffected Software
Event
via OSV·05:00 PM
Jun 9, 2021
CVE Published
via MITRE·07:50 PM
Data Sourced
via MITRE·07:50 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2021-0129?

The severity of CVE-2021-0129 is high, as it can potentially allow information disclosure and threat to data confidentiality and integrity.

2

How do I fix CVE-2021-0129?

To fix CVE-2021-0129, update BlueZ to version 5.58 or later, or apply the necessary kernel patches if you are using a vulnerable version.

3

Which versions of BlueZ are affected by CVE-2021-0129?

BlueZ versions up to 5.57 are affected by CVE-2021-0129.

4

What platforms are vulnerable to CVE-2021-0129?

CVE-2021-0129 affects Debian and Red Hat-based distributions running vulnerable versions of BlueZ and the Linux kernel.

5

Can CVE-2021-0129 be exploited remotely?

CVE-2021-0129 requires an authenticated user with adjacent access to exploit the vulnerability.

Contact

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