Package "grub-emu-dbg"

  grub2 (2.02-2ubuntu8.16) bionic; urgency=medium

  [ Chris Coulson ]
  * SECURITY UPDATE: Heap buffer overflow when encountering commands that
    cannot be tokenized to less than 8192 characters.
    - 0082-yylex-Make-lexer-fatal-errors-actually-be-fatal.patch: Make
      fatal lexer errors actually be fatal
    - CVE-2020-10713
  * SECURITY UPDATE: Multiple integer overflow bugs that could result in
    heap buffer allocations that were too small and subsequent heap buffer
    overflows when handling certain filesystems, font files or PNG images.
    - 0083-safemath-Add-some-arithmetic-primitives-that-check-f.patch: Add
      arithmetic primitives that allow for overflows to be detected
    - 0084-calloc-Make-sure-we-always-have-an-overflow-checking.patch:
      Make sure that there is always an overflow checking implementation
      of calloc() available
    - 0085-calloc-Use-calloc-at-most-places.patch: Use calloc where
      appropriate
    - 0086-malloc-Use-overflow-checking-primitives-where-we-do-.patch: Use
      overflow-safe arithmetic primitives when performing allocations
      based on the results of operations that might overflow
    - 0094-hfsplus-fix-two-more-overflows.patch: Fix integer overflows in
      hfsplus
    - 0095-lvm-fix-two-more-potential-data-dependent-alloc-over.patch: Fix
      more potential integer overflows in lvm
    - CVE-2020-14308, CVE-2020-14309, CVE-2020-14310, CVE-2020-14311
  * SECURITY UPDATE: Use-after-free when executing a command that causes
    a currently executing function to be redefined.
    - 0092-script-Remove-unused-fields-from-grub_script_functio.patch:
      Remove unused fields from grub_script_function
    - 0093-script-Avoid-a-use-after-free-when-redefining-a-func.patch:
      Avoid a use-after-free when redefining a function during execution
    - CVE-2020-15706
  * SECURITY UPDATE: Integer overflows that could result in heap buffer
    allocations that were too small and subsequent heap buffer overflows
    during initrd loading.
    - 0105-linux-Fix-integer-overflows-in-initrd-size-handling.patch: Fix
      integer overflows in initrd size handling
    - 0106-efilinux-Fix-integer-overflows-in-grub_cmd_initrd.patch: Fix
      integer overflows in linuxefi grub_cmd_initrd
    - CVE-2020-15707
  * Various fixes as a result of code review and static analysis:
    - 0087-iso9660-Don-t-leak-memory-on-realloc-failures.patch: Fix a
     memory leak on realloc failures when processing symbolic links
    - 0088-font-Do-not-load-more-than-one-NAME-section.patch: Fix a
      memory leak when processing font files with more than one NAME
      section
    - 0089-gfxmenu-Fix-double-free-in-load_image.patch: Zero self->bitmap
      after it is freed in order to avoid a potential double free later on
    - 0090-lzma-Make-sure-we-don-t-dereference-past-array.patch: Fix an
      out-of-bounds read in LzmaEncode
    - 0091-tftp-Do-not-use-priority-queue.patch: Refactor tftp to not use
      priority queues and fix a double free
    - 0096-efi-fix-some-malformed-device-path-arithmetic-errors.patch: Fix
      various arithmetic errors with malformed device paths
    - 0098-Fix-a-regression-caused-by-efi-fix-some-malformed-de.patch: Fix
      a NULL deref in the chainloader command introduced by a previous
      patch
    - 0100-chainloader-Avoid-a-double-free-when-validation-fail.patch:
      Avoid a double free in the chainloader command when validation fails
    - 0101-relocator-Protect-grub_relocator_alloc_chunk_addr-in.patch:
      Protect grub_relocator_alloc_chunk_addr input arguments against
      integer overflow / underflow
    - 0102-relocator-Protect-grub_relocator_alloc_chunk_align-m.patch:
      Protect grub_relocator_alloc_chunk_align max_addr argument against
      integer underflow
    - 0103-relocator-Fix-grub_relocator_alloc_chunk_align-top-m.patch: Fix
      grub_relocator_alloc_chunk_align top memory allocation
    - 0104-linux-loader-avoid-overflow-on-initrd-size-calculati.patch:
      Avoid overflow on initrd size calculation

  [ Dimitri John Ledkov ]
  * SECURITY UPDATE: Grub does not enforce kernel signature validation
    when the shim protocol isn't present.
    - 0097-linuxefi-fail-kernel-validation-without-shim-protoco.patch:
      Fail kernel validation if the shim protocol isn't available
    - CVE-2020-15705

 -- Chris Coulson <email address hidden> Mon, 20 Jul 2020 19:50:54 +0100

  grub2 (2.02-2ubuntu8.15) bionic; urgency=medium

  * Make the linux command in EFI grub always try EFI handover; thanks
    to Chris Coulson for the patches (LP: #1864533)

 -- Julian Andres Klode <email address hidden> Wed, 11 Mar 2020 21:57:49 +0100

  grub2 (2.02-2ubuntu8.14) bionic; urgency=medium

  * Fix kexec on ACPI/UEFI ARM systems w/ crashkernel reserved memory
    beyond the 4GiB boundary. (LP: #1851190)
  * Apply patch from Peter Jones to forbid the "devicetree" command when
    Secure Boot is enabled. (LP: #1851897)

 -- dann frazier <email address hidden> Sun, 10 Nov 2019 22:52:35 -0700

  grub2 (2.02-2ubuntu8.13) bionic; urgency=medium

   * debian/build-efi-images: add HTTP to generated UEFI images. (LP: #1787630)
   * debian/config.in, debian/grub-common.dirs, debian/postinst.in,
     debian/postrm.in: cherry-pick Colin's changes to ucf handling from
     2.02+dfsg1-11 to avoid unnecessarily prompting about grub.cfg changes.
     (LP: #564853)

 -- Mathieu Trudel-Lapierre <email address hidden> Mon, 18 Mar 2019 12:11:57 -0400

  grub2 (2.02-2ubuntu8.12) bionic; urgency=medium

  * debian/grub-check-signatures: make sure grub-check-signatures conserves
    its execute bit.