[Bug 1930910] Re: Fix micmute hotkeys on HP ProBooks

[Launchpad Bug Tracker]

This bug was fixed in the package systemd - 247.3-3ubuntu3.4

---------------
systemd (247.3-3ubuntu3.4) hirsute-security; urgency=medium

  * SECURITY UPDATE: DoS via DHCP FORCERENEW
    - debian/patches/CVE-2020-13529.patch: tentatively ignore FORCERENEW
      command in src/libsystemd-network/sd-dhcp-client.c.
    - CVE-2020-13529
  * SECURITY UPDATE: denial of service via stack exhaustion
    - debian/patches/CVE-2021-33910.patch: do not use strdupa() on a path
      in src/basic/unit-name.c.
    - CVE-2021-33910

 -- Marc Deslauriers <marc.deslauriers at ubuntu.com>  Tue, 20 Jul 2021
07:38:18 -0400

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https://bugs.launchpad.net/bugs/1930910

Title:
  Fix micmute hotkeys on HP ProBooks

Status in HWE Next:
  New
Status in OEM Priority Project:
  New
Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Focal:
  Fix Released
Status in systemd source package in Groovy:
  Fix Released
Status in systemd source package in Hirsute:
  Fix Released
Status in systemd source package in Impish:
  Fix Released

Bug description:
  [Impact]
  Micmute hotkey on many HP ProBooks don't work.

  [Fix]
  Commit a7161e0288d1 ("hwdb: Add ProBook to use micmute hotkey"), to map AT keyboard's scancode to micmute hotkey.

  [Test]
  With the one-liner fix, micmute hotkey works on all the ProBooks I tested.

  [Where problems could occur]
  The hwdb originally only matches a few ProBooks, the fix changes that to match all ProBook models. So if there's any ProBook that uses the scancode for another purpose, there will be a regression.
  However, the risk is rather slim because HP explicitly states that all ProBooks use the same scancode for mic mute hotkey.

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