A firmware-nonfree security update has been released for Debian GNU/Linux 10 LTS to address potential security vulnerabilities in some Intel PROSet/Wireless WiFi and Killer WiFi products.

[SECURITY] [DLA 3596-1] firmware-nonfree security update

-------------------------------------------------------------------------
Debian LTS Advisory DLA-3596-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Tobias Frost
September 30, 2023 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : firmware-nonfree
Version : 20190114+really20220913-0+deb10u2
CVE ID : CVE-2022-27635 CVE-2022-36351 CVE-2022-38076 CVE-2022-40964
CVE-2022-46329
Debian Bug : 1051892

Intel® released the INTEL-SA-00766 advisory about potential security
vulnerabilities in some Intel® PROSet/Wireless WiFi and Killer™ WiFi products
may allow escalation of privilege or denial of service. The full advisory is
available at [1]

[1] https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00766.html

This updated firmware-nonfree package includes the following firmware files:
- Intel Bluetooth AX2xx series:
ibt-0041-0041.sfi
ibt-19-0-0.sfi
ibt-19-0-1.sfi
ibt-19-0-4.sfi
ibt-19-16-4.sfi
ibt-19-240-1.sfi
ibt-19-240-4.sfi
ibt-19-32-0.sfi
ibt-19-32-1.sfi
ibt-19-32-4.sfi
ibt-20-0-3.sfi
ibt-20-1-3.sfi
ibt-20-1-4.sfi
- Intel Wireless 22000 series
iwlwifi-Qu-b0-hr-b0-77.ucode
iwlwifi-Qu-b0-jf-b0-77.ucode
iwlwifi-Qu-c0-hr-b0-77.ucode
iwlwifi-Qu-c0-jf-b0-77.ucode
iwlwifi-QuZ-a0-hr-b0-77.ucode
iwlwifi-cc-a0-77.ucode

The updated firmware files might need updated kernel to work. It is encouraged
to verify whether the kernel loaded the updated firmware file and take
additional measures if needed.

CVE-2022-27635

Improper access control for some Intel(R) PROSet/Wireless WiFi and Killer(TM)
WiFi software may allow a privileged user to potentially enable escalation of
privilege via local access.

CVE-2022-36351

Improper input validation in some Intel(R) PROSet/Wireless WiFi and Killer(TM)
WiFi software may allow an unauthenticated user to potentially enable denial of
service via adjacent access.

CVE-2022-38076

Improper input validation in some Intel(R) PROSet/Wireless WiFi and Killer(TM)
WiFi software may allow an authenticated user to potentially enable escalation
of privilege via local access.

CVE-2022-40964

Improper access control for some Intel(R) PROSet/Wireless WiFi and Killer(TM)
WiFi software may allow a privileged user to potentially enable escalation of
privilege via local access.

CVE-2022-46329

Protection mechanism failure for some Intel(R) PROSet/Wireless WiFi software
may allow a privileged user to potentially enable escalation of privilege via
local access.

For Debian 10 buster, these problems have been fixed in version
20190114+really20220913-0+deb10u2.

We recommend that you upgrade your firmware-nonfree packages.

For the detailed security status of firmware-nonfree please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/firmware-nonfree

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS