medium
6.5
CWE
200 20
Advisory Published
CVE Published
CVE Published
Updated

CVE-2019-3460: Infoleak

First published: Thu Jan 03 2019(Updated: )

A flaw was found in the Linux kernel's implementation of logical link control and adaptation protocol (L2CAP), part of the Bluetooth stack in the l2cap_parse_conf_rsp and l2cap_parse_conf_req functions. An attacker with physical access within the range of standard Bluetooth transmission can create a specially crafted packet. The response to this specially crafted packet can contain part of the kernel stack which can be used in a further attack.

Credit: security@debian.org security@debian.org

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<0:3.10.0-1062.rt56.1022.el7
0:3.10.0-1062.rt56.1022.el7
redhat/kernel<0:3.10.0-1062.el7
0:3.10.0-1062.el7
redhat/kernel-alt<0:4.14.0-115.18.1.el7a
0:4.14.0-115.18.1.el7a
redhat/kernel-rt<0:4.18.0-147.rt24.93.el8
0:4.18.0-147.rt24.93.el8
redhat/kernel<0:4.18.0-147.el8
0:4.18.0-147.el8
Linux Linux kernel<=5.1
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=18.10
Debian Debian Linux=8.0
Redhat Codeready Linux Builder=8.0
Redhat Virtualization Host=4.0
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux Desktop=7.0
Redhat Enterprise Linux Eus=8.1
Redhat Enterprise Linux Eus=8.2
Redhat Enterprise Linux Eus=8.4
Redhat Enterprise Linux For Real Time=7
Redhat Enterprise Linux For Real Time=8
Redhat Enterprise Linux For Real Time For Nfv=7
Redhat Enterprise Linux For Real Time For Nfv=8
Redhat Enterprise Linux For Real Time For Nfv Tus=8.2
Redhat Enterprise Linux For Real Time For Nfv Tus=8.4
Redhat Enterprise Linux For Real Time Tus=8.2
Redhat Enterprise Linux For Real Time Tus=8.4
Redhat Enterprise Linux Server=7.0
Redhat Enterprise Linux Server Aus=8.2
Redhat Enterprise Linux Server Aus=8.4
Redhat Enterprise Linux Server Tus=8.2
Redhat Enterprise Linux Server Tus=8.4
Redhat Enterprise Linux Workstation=7.0
debian/linux
5.10.223-1
5.10.226-1
6.1.106-3
6.1.112-1
6.11.4-1
6.11.5-1

Remedy

- Disabling the bluetooth hardware in the bios. - Prevent loading of the bluetooth kernel modules. - Disable the bluetooth connection by putting the system in "airport" mode.

Remedy

https://git.kernel.org/linus/af3d5d1c87664a4f150fcf3534c6567cb19909b0

Remedy

https://lore.kernel.org/linux-bluetooth/20190110062917.GB15047@kroah.com/

Remedy

https://marc.info/?l=oss-security&m=154721580222522&w=2

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