SUSE-SU-2023:2086-1

This update for shim fixes the following issues:

• Updated shim signature after shim 15.7 be signed back: signature-sles.x86_64.asc, signature-sles.aarch64.asc (bsc#1198458)

• Add POSTPROCESSPE_FLAGS=-N to the build command in shim.spec to disable the NX compatibility flag when using post-process-pe because grub2 is not ready. (bsc#1205588)

• Enable the NX compatibility flag by default. (jsc#PED-127)

Update to 15.7 (bsc#1198458) (jsc#PED-127):

• Make SBAT variable payload introspectable
• Reference MokListRT instead of MokList
• Add a link to the test plan in the readme.
• [V3] Enable TDX measurement to RTMR register
• Discard load-options that start with a NUL
• Fixed loadcertfile bugs
• Add -malign-double to IA32 compiler flags
• pe: Fix image section entry-point validation
• make-archive: Build reproducible tarball
• mok: remove MokListTrusted from PCR 7

Other fixes:

• Support enhance shim measurement to TD RTMR. (jsc#PED-1273)

• shim-install: ensure grub.cfg created is not overwritten after installing grub related files

• Add logic to shim.spec to only set sbat policy when efivarfs is writeable. (bsc#1201066)
• Add logic to shim.spec for detecting --set-sbat-policy option before using mokutil to set sbat policy. (bsc#1202120)
• Change the URL in SBAT section to mail:security@suse.de. (bsc#1193282)

Update to 15.6 (bsc#1198458):

• MokManager: removed Locate graphic output protocol fail error message
• shim: implement SBAT verification for the shim_lock protocol
• post-process-pe: Fix a missing return code check
• Update github actions matrix to be more useful
• post-process-pe: Fix format string warnings on 32-bit platforms
• Allow MokListTrusted to be enabled by default
• Re-add ARM AArch64 support
• Use ASCII as fallback if Unicode Box Drawing characters fail
• make: don't treat cert.S specially
• shim: use SHIMDEVELVERBOSE when built in devel mode
• Break out of the inner sbat loop if we find the entry.
• Support loading additional certificates
• Add support for NX (W^X) mitigations.
• Fix preservesbatuefi_variable() logic
• SBAT Policy latest should be a one-shot
• pe: Fix a buffer overflow when SizeOfRawData > VirtualSize
• pe: Perform image verification earlier when loading grub
• Update advertised sbat generation number for shim
• Update SBAT generation requirements for 05/24/22
• Also avoid CVE-2022-28737 in verify_image() by @vathpela

Update to 15.5 (bsc#1198458):

• Broken ia32 relocs and an unimportant submodule change.
• mok: allocate MOK config table as BootServicesData
• Don't call QueryVariableInfo() on EFI 1.10 machines (bsc#1187260)
• Relax the check for importmokstate() (bsc#1185261)
• SBAT.md: trivial changes
• shim: another attempt to fix load options handling
• Add tests for our load options parsing.
• arm/aa64: fix the size of .rela* sections
• mok: fix potential buffer overrun in importmokstate
• mok: relax the maximum variable size check
• Don't unhook ExitBootServices when EBS protection is disabled
• fallback: findbootoption() needs to return the index for the boot entry in optnum
• httpboot: Ignore case when checking HTTP headers
• Fallback allocation errors
• shim: avoid BOOTx64.EFI in message on other architectures
• str: remove duplicate parameter check
• fallback: add compile option FALLBACK_NONINTERACTIVE
• Test mok mirror
• Modify sbat.md to help with readability.
• csv: detect end of csv file correctly
• Specify that the .sbat section is ASCII not UTF-8
• tests: add 'include-fixed' GCC directory to include directories
• pe: simplify generate_hash()
• Don't make shim abort when TPM log event fails (RHBZ #2002265)
• Fallback to default loader if parsed one does not exist
• fallback: Fix for BootOrder crash when index returned
• Better console checks
• docs: update SBAT UEFI variable name
• Don't parse load options if invoked from removable media path
• fallback: fix fallback not passing arguments of the first boot option
• shim: Don't stop forever at 'Secure Boot not enabled' notification
• Allocate mokvar table in runtime memory.
• Remove post-process-pe on 'make clean'

• pe: missing perror argument

• CVE-2022-28737: Fixed a buffer overflow when SizeOfRawData > VirtualSize (bsc#1198458)

• Add mokutil command to post script for setting sbat policy to latest mode when the SbatPolicy-605dab50-e046-4300-abb6-3dd810dd8b23 is not created. (bsc#1198458)

• Updated vendor dbx binary and script (bsc#1198458)

  • Updated dbx-cert.tar.xz and vendor-dbx-sles.bin for adding SLES-UEFI-SIGN-Certificate-2021-05.crt to vendor dbx list.
  • Updated dbx-cert.tar.xz and vendor-dbx-opensuse.bin for adding openSUSE-UEFI-SIGN-Certificate-2021-05.crt to vendor dbx list.
  • Updated vendor-dbx.bin for adding SLES-UEFI-SIGN-Certificate-2021-05.crt and openSUSE-UEFI-SIGN-Certificate-2021-05.crt for testing environment.
  • Updated generate-vendor-dbx.sh script for generating a vendor-dbx.bin file which includes all .der for testing environment.

• avoid buffer overflow when copying data to the MOK config table (bsc#1185232)

• Disable exporting vendor-dbx to MokListXRT since writing a large RT variable could crash some machines (bsc#1185261)
• ignore the odd LoadOptions length (bsc#1185232)
• shim-install: reset defshimefi to 'shim.efi' if the given file doesn't exist
• relax the maximum variable size check for u-boot (bsc#1185621)

• handle ignoredb and userinsecure_mode correctly (bsc#1185441, bsc#1187071)

• Split the keys in vendor-dbx.bin to vendor-dbx-sles and vendor-dbx-opensuse for shim-sles and shim-opensuse to reduce the size of MokListXRT (bsc#1185261)

  • Also update generate-vendor-dbx.sh in dbx-cert.tar.xz