[Bug 1921134] Re: SBAT shim 15.4 release

[Launchpad Bug Tracker]

This bug was fixed in the package shim-signed - 1.46

---------------
shim-signed (1.46) hirsute; urgency=medium

  * New upstream release 15.4 LP: #1921134
  * Ship fb & mm from shim-signed package.
  * Remove shim-canonical-unsigned dependency, now provided by shim
    itself.
  * Generalize attaching externally supplied signatures, to aid building
    with embargoed or MS external signatures.

 -- Dimitri John Ledkov <xnox at ubuntu.com>  Wed, 24 Mar 2021 12:40:28
+0000

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https://bugs.launchpad.net/bugs/1921134

Title:
  SBAT shim 15.4 release

Status in OEM Priority Project:
  New
Status in shim package in Ubuntu:
  Fix Released
Status in shim-signed package in Ubuntu:
  Fix Released

Bug description:
  [Impact]

   * New upstream shim release 15.4
   * It includes and enforces SBAT validation

  [Test Plan]

   * https://wiki.ubuntu.com/UEFI/SecureBoot/ShimUpdateProcess/TestPlan

  [Where problems could occur]

   * Upgrading to new shim, without upgrading to the new grub with sbat
  will fail to boot, as grub must include SBAT section.

   * Upgrading to new shim, without upgrading to the new fwupdate with
  sbat will fail to boot, as fwupdate must include SBAT section.

  [Other Info]

   * All patches are dropped, as all got included in the v15.3 upstream release
   * Embedded ephemeral shim certificate is now gone, and archive key is used to sign fb/mm
   * Vendor DBX is included that revokes Boothole & ACPI-bypass vulnerable grubs and shims
   * This upload obsoletes shim-signed-canonical package

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