CVE-2021-0129: Medium severity BlueZ BlueZ vulnerability
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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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debian/bluezto a version that resolves this vulnerability.Fixed in 5.58-1~exp0Fixed in 5.55-3.1Fixed in 5.50-1.2~deb10u2 - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 0:4.18.0-348.rt7.130.el8 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 0:4.18.0-348.el8 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 5.13 - Upgrade
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debian/bluezto 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 - Upgrade
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debian/linuxto 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 - Upgrade
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ubuntu/linux-awsto a version that resolves this vulnerability.Fixed in 4.4.0-1099.104 - Upgrade
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ubuntu/linux-azureto a version that resolves this vulnerability.Fixed in 4.15.0-1121.134~14.04.1 - Upgrade
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ubuntu/linux-lts-xenialto a version that resolves this vulnerability.Fixed in 4.4.0-219.252~14.04.1 - Upgrade
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ubuntu/bluezto a version that resolves this vulnerability.Fixed in 5.37-0ubuntu5.3+esm1 - Upgrade
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ubuntu/linuxto a version that resolves this vulnerability.Fixed in 4.4.0-219.252 - Upgrade
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ubuntu/linux-awsto a version that resolves this vulnerability.Fixed in 4.4.0-1135.149 - Upgrade
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ubuntu/linux-aws-hweto a version that resolves this vulnerability.Fixed in 4.15.0-1109.116~16.04.1 - Upgrade
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ubuntu/linux-azureto a version that resolves this vulnerability.Fixed in 4.15.0-1121.134~16.04.1 - Upgrade
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ubuntu/linux-gcpto a version that resolves this vulnerability.Fixed in 4.15.0-1106.120~16.04.1 - Upgrade
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ubuntu/linux-hweto a version that resolves this vulnerability.Fixed in 4.15.0-151.157~16.04.1 - Upgrade
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ubuntu/linux-kvmto a version that resolves this vulnerability.Fixed in 4.4.0-1100.109 - Upgrade
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ubuntu/linux-oracleto a version that resolves this vulnerability.Fixed in 4.15.0-1078.86~16.04.1 - Upgrade
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ubuntu/linux-fipsto a version that resolves this vulnerability.Fixed in 4.4.0-1069.75 - Upgrade
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ubuntu/bluezto a version that resolves this vulnerability.Fixed in 5.48-0ubuntu3.5 - Upgrade
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ubuntu/linuxto a version that resolves this vulnerability.Fixed in 4.15.0-151.157 - Upgrade
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ubuntu/linux-awsto a version that resolves this vulnerability.Fixed in 4.15.0-1109.116 - Upgrade
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ubuntu/linux-aws-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-1054.57~18.04.1 - Upgrade
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ubuntu/linux-azure-4.15to a version that resolves this vulnerability.Fixed in 4.15.0-1121.134 - Upgrade
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ubuntu/linux-azure-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-1055.57~18.04.1 - Upgrade
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ubuntu/linux-dell300xto a version that resolves this vulnerability.Fixed in 4.15.0-1027.32 - Upgrade
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ubuntu/linux-gcp-4.15to a version that resolves this vulnerability.Fixed in 4.15.0-1106.120 - Upgrade
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ubuntu/linux-gcp-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-1049.53~18.04.1 - Upgrade
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ubuntu/linux-gke-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-1049.52~18.04.1 - Upgrade
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ubuntu/linux-gkeop-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-1021.22~18.04.1 - Upgrade
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ubuntu/linux-hwe-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-80.90~18.04.1 - Upgrade
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ubuntu/linux-kvmto a version that resolves this vulnerability.Fixed in 4.15.0-1097.99 - Upgrade
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ubuntu/linux-oracleto a version that resolves this vulnerability.Fixed in 4.15.0-1078.86 - Upgrade
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ubuntu/linux-oracle-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-1052.56~18.04.1 - Upgrade
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ubuntu/linux-raspi-5.4to a version that resolves this vulnerability.Fixed in 5.4.0-1041.45~18.04.1 - Upgrade
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ubuntu/linux-raspi2to a version that resolves this vulnerability.Fixed in 4.15.0-1092.98 - Upgrade
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ubuntu/linux-snapdragonto a version that resolves this vulnerability.Fixed in 4.15.0-1109.118 - Upgrade
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ubuntu/linux-aws-fipsto a version that resolves this vulnerability.Fixed in 4.15.0-2051.53 - Upgrade
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ubuntu/linux-azure-fipsto a version that resolves this vulnerability.Fixed in 4.15.0-2033.37 - Upgrade
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ubuntu/linux-fipsto a version that resolves this vulnerability.Fixed in 4.15.0-1066.75 - Upgrade
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ubuntu/linux-gcp-fipsto a version that resolves this vulnerability.Fixed in 4.15.0-2016.18 - Upgrade
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ubuntu/bluezto a version that resolves this vulnerability.Fixed in 5.53-0ubuntu3.2 - Upgrade
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ubuntu/linuxto a version that resolves this vulnerability.Fixed in 5.4.0-80.90 - Upgrade
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ubuntu/linux-awsto a version that resolves this vulnerability.Fixed in 5.4.0-1054.57 - Upgrade
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ubuntu/linux-aws-5.11to a version that resolves this vulnerability.Fixed in 5.11.0-1016.17~20.04.1 - Upgrade
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ubuntu/linux-aws-5.8to a version that resolves this vulnerability.Fixed in 5.8.0-1042.44~20.04.1 - Upgrade
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ubuntu/linux-azureto a version that resolves this vulnerability.Fixed in 5.4.0-1055.57 - Upgrade
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ubuntu/linux-azure-5.11to a version that resolves this vulnerability.Fixed in 5.11.0-1013.14~20.04.1 - Upgrade
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ubuntu/linux-azure-5.8to a version that resolves this vulnerability.Fixed in 5.8.0-1040.43~20.04.1 - Upgrade
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ubuntu/linux-bluefieldto a version that resolves this vulnerability.Fixed in 5.4.0-1016.19 - Upgrade
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ubuntu/linux-gcpto a version that resolves this vulnerability.Fixed in 5.4.0-1049.53 - Upgrade
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ubuntu/linux-gcp-5.11to a version that resolves this vulnerability.Fixed in 5.11.0-1017.19~20.04.1 - Upgrade
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ubuntu/linux-gcp-5.8to a version that resolves this vulnerability.Fixed in 5.8.0-1039.41 - Upgrade
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ubuntu/linux-gketo a version that resolves this vulnerability.Fixed in 5.4.0-1049.52 - Upgrade
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ubuntu/linux-gkeopto a version that resolves this vulnerability.Fixed in 5.4.0-1021.22 - Upgrade
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ubuntu/linux-hwe-5.11to a version that resolves this vulnerability.Fixed in 5.11.0-34.36~20.04.1 - Upgrade
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ubuntu/linux-kvmto a version that resolves this vulnerability.Fixed in 5.4.0-1044.46 - Upgrade
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ubuntu/linux-oem-5.10to a version that resolves this vulnerability.Fixed in 5.10.0-1032.33 - Upgrade
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ubuntu/linux-oracleto a version that resolves this vulnerability.Fixed in 5.4.0-1052.56 - Upgrade
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ubuntu/linux-oracle-5.11to a version that resolves this vulnerability.Fixed in 5.11.0-1016.17~20.04.1 - Upgrade
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ubuntu/linux-oracle-5.8to a version that resolves this vulnerability.Fixed in 5.8.0-1038.39~20.04.1 - Upgrade
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ubuntu/linux-raspito a version that resolves this vulnerability.Fixed in 5.4.0-1041.45 - Upgrade
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ubuntu/linux-riscv-5.11to a version that resolves this vulnerability.Fixed in 5.11.0-1017.18~20.04.1 - Upgrade
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ubuntu/linux-azure-fde-5.15to a version that resolves this vulnerability.Fixed in 5.15.0-1114.123~20.04.1 - Upgrade
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ubuntu/linux-aws-fipsto a version that resolves this vulnerability.Fixed in 5.4.0-1069.73+fips2 - Upgrade
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ubuntu/linux-azure-fipsto a version that resolves this vulnerability.Fixed in 5.4.0-1073.76+fips1 - Upgrade
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ubuntu/linux-fipsto a version that resolves this vulnerability.Fixed in 5.4.0-1031.36 - Upgrade
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ubuntu/linux-gcp-fipsto a version that resolves this vulnerability.Fixed in 5.4.0-1067.71~20.04.1
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
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.
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.
Which versions of BlueZ are affected by CVE-2021-0129?
BlueZ versions up to 5.57 are affected by CVE-2021-0129.
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.
Can CVE-2021-0129 be exploited remotely?
CVE-2021-0129 requires an authenticated user with adjacent access to exploit the vulnerability.