Changelog
grub2 (2.04-9) unstable; urgency=high
* Backport security patch series from upstream:
- CVE-2020-10713: yylex: Make lexer fatal errors actually be fatal
- safemath: Add some arithmetic primitives that check for overflow
- calloc: Make sure we always have an overflow-checking calloc()
available
- CVE-2020-14308: calloc: Use calloc() at most places
- CVE-2020-14309, CVE-2020-14310, CVE-2020-14311: malloc: Use overflow
checking primitives where we do complex allocations
- iso9660: Don't leak memory on realloc() failures
- font: Do not load more than one NAME section
- gfxmenu: Fix double free in load_image()
- xnu: Fix double free in grub_xnu_devprop_add_property()
- lzma: Make sure we don't dereference past array
- term: Fix overflow on user inputs
- udf: Fix memory leak
- multiboot2: Fix memory leak if grub_create_loader_cmdline() fails
- tftp: Do not use priority queue
- relocator: Protect grub_relocator_alloc_chunk_addr() input args
against integer underflow/overflow
- relocator: Protect grub_relocator_alloc_chunk_align() max_addr against
integer underflow
- script: Remove unused fields from grub_script_function struct
- CVE-2020-15706: script: Avoid a use-after-free when redefining a
function during execution
- relocator: Fix grub_relocator_alloc_chunk_align() top memory
allocation
- hfsplus: fix two more overflows
- lvm: fix two more potential data-dependent alloc overflows
- emu: make grub_free(NULL) safe
- efi: fix some malformed device path arithmetic errors
- Fix a regression caused by "efi: fix some malformed device path
arithmetic errors"
- update safemath with fallback code for gcc older than 5.1
- efi: Fix use-after-free in halt/reboot path
- linux loader: avoid overflow on initrd size calculation
* CVE-2020-15707: linux: Fix integer overflows in initrd size handling
* Apply overflow checking to allocations in Debian patches:
- bootp: Fix integer overflow in parse_dhcp6_option
- unix/config: Fix integer overflow in grub_util_load_config
- deviceiter: Fix integer overflow in grub_util_iterate_devices
-- Colin Watson <email address hidden> Wed, 29 Jul 2020 17:58:37 +0100
