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Home > Linux > Google shared the details of Bluetooth flaw in Linux kernel

Google shared the details of Bluetooth flaw in Linux kernel

Google released details of a high-severity flaw affecting the Bluetooth stack in the Linux kernel versions below Linux 5.9.

Seda Nur Cinar by Seda Nur Cinar
October 15, 2020
in Cybersecurity, Linux
2 min read
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Google shared the details of 'BleedingTooth' Bluetooth flaw in Linux kernel
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Linux Kernel 5.9 has been released by Linus Torvalds this week for public testing. Just after the release, Intel is recommending in its advisory for the high-severity Bluetooth flaw, CVE-2020-12351, to update the Linux kernel to version 5.9 or later.

To update Linux 5.10 is recommended

Andy Nguyen, a security engineer from Google, reported the bugs to Intel. Google security team classified the heap-based type confusion affecting Linux kernel 4.8 and higher, as a high threat. According to Google researchers, malicious Bluetooth chips can trigger the vulnerability as well.

Intel summarized the flaw, saying “Potential security vulnerabilities in BlueZ may allow escalation of privilege or information disclosure.” BlueZ is releasing Linux kernel fixes to address these potential vulnerabilities. All Linux kernel versions before 5.10 that support BlueZ are affected by the Bluetooth flaw.

Intel recommends updating the Linux kernel to version 5.10 or later. Linux Kernel 5.10 will be the final kernel of this year 2020. If a kernel upgrade is not possible, Intel recommends instead installing the following kernel fixes to address these issues:

https://lore.kernel.org/linux-bluetooth/[email protected]/

https://lore.kernel.org/linux-bluetooth/[email protected]/

https://lore.kernel.org/linux-bluetooth/[email protected]/

https://lore.kernel.org/linux-bluetooth/[email protected]/

https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=a2ec905d1e160a33b2e210e45ad30445ef26ce0e

Also you may be interested in: How to update Linux Kernel without rebooting?

See more Linux News


Tags: BlueZIntelLinux KernelVulnerability
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Seda Nur Cinar

Seda Nur Cinar

Seda Nur Cinar is the news editor of the Cloud7 News. With more than 8 years of Linux and cloud experience, Seda is a Linux and opensource enthusiast, security researcher and a web application developer.

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