Comment 22 for bug 1996950

Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package grub2-unsigned - 2.06-2ubuntu14

---------------
grub2-unsigned (2.06-2ubuntu14) kinetic; urgency=medium

  * SECURITY UPDATE: Fix out of bounds writes due specially crafted fonts.
    - add debian/patches/font-Fix-several-integer-overflows-in-grub_font_construct.patch
    - add debian/patches/font-Fix-an-integer-underflow-in-blit_comb.patch
    - CVE-2022-2601, CVE-2022-3775
    - LP: #1996950
  * Fix various issues as a result of fuzzing, static analysis and code
    review:
    - add debian/patches/font-Reject-glyphs-exceeds-font-max_glyph_width-or-font-m.patch
    - add debian/patches/font-Fix-size-overflow-in-grub_font_get_glyph_internal.patch
    - add debian/patchces/font-Remove-grub_font_dup_glyph.patch
    - add debian/patches/font-Fix-integer-overflow-in-ensure_comb_space.patch
    - add debian/patches/font-Fix-integer-overflow-in-BMP-index.patch
    - add debian/patches/font-Fix-integer-underflow-in-binary-search-of-char-index.patch
    - add debian/patches/fbutil-Fix-integer-overflow.patch
    - add debian/patches/font-Harden-grub_font_blit_glyph-and-grub_font_blit_glyph.patch
    - add debian/patches/font-Assign-null_font-to-glyphs-in-ascii_font_glyph.patch
    - add debian/patches/normal-charset-Fix-an-integer-overflow-in-grub_unicode_ag.patch
  * Enforce verification of fonts when secure boot is enabled:
    - add debian/patches/kern-efi-sb-Enforce-verification-of-font-files.patch
  * Bundle unicode.pf2 in a squashfs memdisk attached to the signed EFI binary
    - update debian/control
    - update debian/build-efi-image
    - add debian/patches/font-Try-opening-fonts-from-the-bundled-memdisk.patch
  * Fix LP: #1997006 - add support for performing measurements to RTMRs
    - add debian/patches/commands-efi-tpm-Refine-the-status-of-log-event.patch
    - add debian/patches/commands-efi-tpm-Use-grub_strcpy-instead-of-grub_memcpy.patch
    - add debian/patches/efi-tpm-Add-EFI_CC_MEASUREMENT_PROTOCOL-support.patch
  * Fix the squashfs tests during the build
    - remove debian/patches/ubuntu-fix-reproducible-squashfs-test.patch
    - add debian/patches/tests-Explicitly-unset-SOURCE_DATE_EPOCH-before-running-f.patch
  * Bump SBAT generation:
    - update debian/sbat.ubuntu.csv.in
  * Source package generated from src:grub2 using make -f ./debian/rules
    generate-grub2-unsigned

 -- Chris Coulson <email address hidden> Wed, 16 Nov 2022 14:40:42 +0000