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kernel: race condition for removal of the HCI controller

🗓️ 31 Aug 2021 19:48:07Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

Local race condition in removing Bluetooth controllers in the Linux kernel can corrupt memory and escalate privileges.

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ATTACKERKB		CVE-2021-32399
10 May 202122:15
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Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2-2021-1685 (ALAS-2021-1685)
16 Jul 202100:00
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Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2022-002 (ALASKERNEL-5.10-2022-002)
2 May 202200:00
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Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2022-004 (ALASKERNEL-5.4-2022-004)
2 May 202200:00
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Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2021:2714)
9 Feb 202200:00
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Tenable Nessus		CentOS 8 : kernel (CESA-2021:2714)
21 Jul 202100:00
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Tenable Nessus		CentOS 7 : kernel (RHSA-2021:3327)
2 Sep 202100:00
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Tenable Nessus		CentOS 7 : kpatch-patch (RHSA-2021:3381)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7x86_64kernel3.10.0-327.100.1.el7kernel-3.10.0-327.100.1.el7.x86_64.rpm
Red Hat Enterprise Linux7noarchkernel-abi-whitelists3.10.0-327.100.1.el7kernel-abi-whitelists-3.10.0-327.100.1.el7.noarch.rpm
Red Hat Enterprise Linux7x86_64kernel-debug3.10.0-327.100.1.el7kernel-debug-3.10.0-327.100.1.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-debug-debuginfo3.10.0-327.100.1.el7kernel-debug-debuginfo-3.10.0-327.100.1.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-debug-devel3.10.0-327.100.1.el7kernel-debug-devel-3.10.0-327.100.1.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-debuginfo3.10.0-327.100.1.el7kernel-debuginfo-3.10.0-327.100.1.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-debuginfo-common-x86_643.10.0-327.100.1.el7kernel-debuginfo-common-x86_64-3.10.0-327.100.1.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-devel3.10.0-327.100.1.el7kernel-devel-3.10.0-327.100.1.el7.x86_64.rpm
Red Hat Enterprise Linux7noarchkernel-doc3.10.0-327.100.1.el7kernel-doc-3.10.0-327.100.1.el7.noarch.rpm
Red Hat Enterprise Linux7x86_64kernel-tools3.10.0-327.100.1.el7kernel-tools-3.10.0-327.100.1.el7.x86_64.rpm
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11 Jul 2026 17:41Current
6.7Medium risk
Vulners AI Score6.7
CVSS 24.4
CVSS 3.17
EPSS0.00691
CWE-362
linux kernelbluetooth controllersrace conditionlocal attackermemory corruptionprivilege escalationsystem availability
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