Latest zeroday vulnerabilities for "bluez bluez"

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Linux Linux kernelInput Validation

Risk 55

Severity

6.5

Zeroday

Input Validation

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

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Source: Launchpad

First published (updated )

CVE-2020-24490

redhat/kernel-rtInput Validation

Risk 55

Severity

6.5

Zeroday

Input Validation

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

An information leak flaw was found in the way Linux kernel Bluetooth stack implementation handled initialization of stack memory when handling certain AMP packets. A remote attacker in adjacent range could use this flaw to leak small portions of stack memory on the system by sending a specially crafted AMP packets.

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Source: Red Hat

Remedy

To mitigate these vulnerabilities on the operating system level, disable the Bluetooth functionality via blocklisting kernel modules in the Linux kernel. The kernel modules can be prevented from being loaded by using system-wide modprobe rules. Instructions on how to disable Bluetooth modules are available on the Customer Portal at https://access.redhat.com/solutions/2682931. Alternatively, Bluetooth can be disabled within the hardware or at BIOS level which will also provide an effective mitigation as the kernel will not be able to detect that Bluetooth hardware is present on the system.

First published (updated )

CVE-2020-12352

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