This bug was fixed in the package linux-oem-5.13 - 5.13.0-1012.16

---------------
linux-oem-5.13 (5.13.0-1012.16) focal; urgency=medium

  * focal/linux-oem-5.13: 5.13.0-1012.16 -proposed tracker (LP:
#1942861)

  * Fix sluggish r8169 by disaling ASPM L1.2 (LP: #1942830)
    - SAUCE: r8169: Disable ASPM L1.2

  * CVE-2021-3609
    - can: bcm: delay release of struct bcm_op after synchronize_rcu()
    - can: j1939: j1939_sk_init(): set SOCK_RCU_FREE to call sk_destruct() after
      RCU is done

 -- Timo Aaltonen <timo.aalto...@canonical.com>  Tue, 07 Sep 2021
11:49:54 +0300

** Changed in: linux-oem-5.13 (Ubuntu Focal)
       Status: Fix Committed => Fix Released

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-3609

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https://bugs.launchpad.net/bugs/1940610

Title:
   Fix mic noise on HP ProBook 445 G8

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  Confirmed
Status in linux-oem-5.13 package in Ubuntu:
  Invalid
Status in linux source package in Focal:
  Won't Fix
Status in linux-oem-5.13 source package in Focal:
  Fix Released
Status in linux source package in Hirsute:
  Fix Committed
Status in linux-oem-5.13 source package in Hirsute:
  Invalid
Status in linux source package in Impish:
  Confirmed
Status in linux-oem-5.13 source package in Impish:
  Invalid

Bug description:
  [Impact]
  There's mic noise on HP ProBook 445 G8.

  [Fix]
  Limit mic boost to make the audio capture crystal clear.

  [Test]
  $ arecord -f dat test
  $ aplay test
  With the fix, the mic noise is gone.

  [Where problems could occur]
  If someone would like to let others hear the noise in Zoom, this will
  deprive of their pleasure.

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