cbcvebase.
CVE-2021-3564
published 2021-06-08

CVE-2021-3564: A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth…

PriorityP422medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.48%
39.2th percentile
A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system. This flaw affects all the Linux kernel versions starting from 3.13.

Affected

18 ranges
VendorProductVersion rangeFixed in
debiandebian_linux
debianlinux< linux 5.10.46-1 (bookworm)linux 5.10.46-1 (bookworm)
fedoraprojectfedora
linuxlinux_kernel
linuxlinux_kernel>= 0 < 5.10.46-15.10.46-1
linuxlinux_kernel>= 0 < 5.10.46-15.10.46-1
linuxlinux_kernel>= 0 < 5.10.46-15.10.46-1
linuxlinux_kernel>= 0 < 5.10.46-15.10.46-1
linuxlinux_kernel>= 0 < 4.15.0-154.1614.15.0-154.161
linuxlinux_kernel>= 0 < 5.4.0-81.915.4.0-81.91
linuxlinux_kernel>= 0 < 4.4.0-222.2554.4.0-222.255
linuxlinux_kernel>= 0 < 4.4.0-219.2524.4.0-219.252
linuxlinux_kernel>= 3.13
msrcazl3_kernel_6.6.35.1-4_on_azure_linux_3.0
msrcazl3_kernel_6.6.92.2-1_on_azure_linux_3.0
msrccbl2_kernel_5.10.78.1-1_on_cbl_mariner_2.0
msrccm1_kernel_5.10.60.1-1_on_cbl_mariner_1.0
paloaltopan-os

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
osv7.8HIGH
vendor_ubuntu7.8HIGH
vendor_debian5.5MEDIUM
vendor_msrc5.5MEDIUM
vendor_redhat5.5MEDIUM
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