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grub/include/grub
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B Horn 500e5fdd82 kern/dl: Fix for an integer overflow in grub_dl_ref() 
It was possible to overflow the value of mod->ref_count, a signed
integer, by repeatedly invoking insmod on an already loaded module.
This led to a use-after-free. As once ref_count was overflowed it became
possible to unload the module while there was still references to it.

This resolves the issue by using grub_add() to check if the ref_count
will overflow and then stops further increments. Further changes were
also made to grub_dl_unref() to check for the underflow condition and
the reference count was changed to an unsigned 64-bit integer.

Reported-by: B Horn <b@horn.uk>
Signed-off-by: B Horn <b@horn.uk>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2025-02-13 15:45:55 +01:00
..
arc
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
arm
efi: Remove arch specific image headers for RISC-V, ARM64 and ARM
2023-03-29 20:31:57 +02:00
arm64
efi: Remove arch specific image headers for RISC-V, ARM64 and ARM
2023-03-29 20:31:57 +02:00
coreboot
coreboot: Split parts that are platform-independent.
2017-05-08 19:10:24 +02:00
efi
nx: Set the NX compatible flag for the GRUB EFI images
2024-10-11 14:45:00 +02:00
efiemu
types: Split aligned and packed guids
2023-11-08 05:04:24 +01:00
emu
tpm2_key_protector: Add grub-emu support
2024-11-28 21:50:56 +01:00
gcry
Import gcrypt public-key cryptography and implement signature checking.
2013-01-11 21:32:42 +01:00
gcrypt
Remove autogenerated files from VCS
2013-01-12 16:17:31 +01:00
i386
i386/memory: Rename PAGE_SIZE to GRUB_PAGE_SIZE and make it global
2024-10-10 13:11:23 +02:00
ia64
ia64: Add support for R_IA64_GPREL64I.
2017-01-31 12:39:01 +01:00
ieee1275
ieee1275/tcg2: Refactor grub_ieee1275_tpm_init()
2024-11-28 22:37:50 +01:00
lib
verifiers: Add possibility to verify kernel and modules command lines
2018-11-09 13:25:31 +01:00
loongarch64
loongarch: Rename function names
2023-06-13 16:00:39 +02:00
mips
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
net
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
osdep
util: Ignore return value for grub_util_mkdir() on all platforms
2022-08-19 21:38:02 +02:00
powerpc
kern/ieee1275/ieee1275: Display successful memory claims when debugging
2023-12-05 14:43:15 +01:00
riscv32
efi: Remove arch specific image headers for RISC-V, ARM64 and ARM
2023-03-29 20:31:57 +02:00
riscv64
efi: Remove arch specific image headers for RISC-V, ARM64 and ARM
2023-03-29 20:31:57 +02:00
sparc64
kern/ieee1275/ieee1275: Display successful memory claims when debugging
2023-12-05 14:43:15 +01:00
uboot
uboot: Add the missing disk write operation support
2019-01-22 15:23:51 +01:00
util
grub-mkimage: Create new ELF note for SBAT
2024-10-31 16:13:06 +01:00
x86_64
efi: Enable CMOS on x86 EFI platforms
2024-04-11 15:48:25 +02:00
xen
xen: modify page table construction
2016-10-27 16:22:06 +02:00
zfs
fs/zfs/zfs: Add support for zstd compression
2024-06-20 15:43:23 +02:00
acorn_filecore.h
working copy, wo nested packaging
2010-08-17 19:03:22 +05:30
acpi.h
term/ns8250-spcr: Add one more 16550 debug type
2024-06-20 14:58:29 +02:00
aout.h
aout.h: Fix missing include.
2018-03-05 13:44:55 +01:00
archelp.h
Support for cbfs. Also factor out the part which is common
2013-06-16 00:06:13 +02:00
at_keyboard.h
at_keyboard: Fix falco chromebook case.
2017-05-09 14:27:52 +02:00
ata.h
Remove nested functions from device iterators.
2013-01-20 15:52:15 +00:00
auth.h
disk/cryptodisk: Require authentication after TPM unlock for CLI access
2025-01-23 16:22:47 +01:00
autoefi.h
Remove grub_efi_allocate_pages.
2017-08-07 18:33:29 +02:00
backtrace.h
Several cleanups
2012-02-26 19:10:52 +01:00
bitmap_scale.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
bitmap.h
font: Fix size overflow in grub_font_get_glyph_internal()
2022-11-14 20:24:39 +01:00
boottime.h
* include/grub/boottime.h: Add missing file.
2013-03-20 16:58:07 +01:00
bsdlabel.h
Add gcc_struct to all packed structures when compiling with mingw.
2013-12-15 14:14:30 +01:00
btrfs.h
Add gcc_struct to all packed structures when compiling with mingw.
2013-12-15 14:14:30 +01:00
buffer.h
buffer: Sync up out-of-range error message
2021-04-12 16:31:18 +02:00
bufio.h
verifiers: File type for fine-grained signature-verification controlling
2018-11-09 13:25:31 +01:00
cache.h
ia64: build fix in cache.h
2019-06-07 15:37:55 +02:00
cbfs_core.h
Add gcc_struct to all packed structures when compiling with mingw.
2013-12-15 14:14:30 +01:00
charset.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
cmos.h
* include/grub/cmos.h: Handle high CMOS addresses on sparc64.
2013-03-02 23:59:05 +01:00
color.h
Detach optional parts of gfxterm and integrate in with coreboot init.
2013-05-31 00:42:33 +02:00
command.h
kern: Add lockdown support
2021-03-02 15:54:15 +01:00
compiler-rt-emu.h
RISC-V: Add __clzdi2 symbol
2019-09-23 13:17:15 +02:00
compiler-rt.h
mips: Enable __clzdi2()
2020-12-18 23:04:36 +01:00
compiler.h
gnulib: Handle warnings introduced by updated gnulib
2022-03-21 19:17:50 +01:00
crypto.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
cryptodisk.h
disk/cryptodisk: Require authentication after TPM unlock for CLI access
2025-01-23 16:22:47 +01:00
cs5536.h
Some CS5536 code
2011-10-01 22:51:12 +02:00
datetime.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
decompressor.h
MAke a separate scratch for decompressor
2010-09-21 19:39:51 +02:00
deflate.h
Implement Truecrypt ISO loader.
2013-12-17 14:45:46 +01:00
device.h
Remove nested functions from device iterators.
2013-01-20 15:52:15 +00:00
disk.h
disk/i386/pc/biosdisk: Read up to 63 sectors in LBA mode
2023-10-12 19:23:17 +02:00
diskfilter.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
dl.h
kern/dl: Fix for an integer overflow in grub_dl_ref()
2025-02-13 15:45:55 +01:00
dma.h
arm_coreboot: Support DMA.
2017-05-08 22:06:04 +02:00
elf.h
loongarch: Add support for ELF psABI v2.00 relocations
2023-05-17 13:18:36 +02:00
elfload.h
verifiers: File type for fine-grained signature-verification controlling
2018-11-09 13:25:31 +01:00
env_private.h
working copy, wo nested packaging
2010-08-17 19:03:22 +05:30
env.h
kern/env: Add function for retrieving variables as booleans
2022-11-14 17:21:53 +01:00
err.h
kern/disk: Limit recursion depth
2025-01-23 16:22:47 +01:00
exfat.h
Add gcc_struct to all packed structures when compiling with mingw.
2013-12-15 14:14:30 +01:00
extcmd.h
kern: Add lockdown support
2021-03-02 15:54:15 +01:00
fat.h
chainloader: Fix wrong break condition (must be AND not, OR)
2018-02-23 22:32:55 +01:00
fbblit.h
Move blit and fill dispatcher to appropriate files to decrease export
2013-05-30 22:06:28 +02:00
fbfill.h
* grub-core/gfxmenu/gui_box.c: Updated to work with area status.
2013-11-08 15:42:38 +04:00
fbutil.h
fbutil: Fix integer overflow
2022-11-14 20:24:39 +01:00
fdt.h
linux, efi, arm*, fdt: Break FDT extra allocation space out into a #define
2019-01-23 10:16:32 +01:00
fdtbus.h
fdtbus: Add ability to send/receive messages on parent busses.
2017-05-09 08:43:20 +02:00
file.h
cryptodisk: Add support for using detached header files
2022-07-04 14:43:25 +02:00
fileid.h
Implement grub_file tool and use it to implement generating of config
2013-12-17 14:39:48 +01:00
font.h
* grub-core/font/font.c, include/grub/font.h: Inline simple font
2013-05-30 21:58:24 +02:00
fontformat.h
working copy, wo nested packaging
2010-08-17 19:03:22 +05:30
fs.h
kern/file: Implement filesystem reference counting
2025-01-23 16:22:47 +01:00
fshelp.h
fshelp: Add handling of "." and ".." and grub_fshelp_find_file_lookup.
2015-07-27 12:45:35 +02:00
gdb.h
Adjust types in gdb module to have intended unsigned shifts rather than
2013-03-10 18:36:39 +01:00
gfxmenu_model.h
working copy, wo nested packaging
2010-08-17 19:03:22 +05:30
gfxmenu_view.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
gfxterm.h
Detach optional parts of gfxterm and integrate in with coreboot init.
2013-05-31 00:42:33 +02:00
gfxwidgets.h
Take into account the decorations the computing menu entry width.
2011-04-19 00:44:53 +02:00
gpt_partition.h
gpt_partition: Mark grub_gpt_partentry as having natural alignment
2023-11-06 22:48:24 +01:00
gui_string_util.h
Move gfxmenu color handling to video, so that gfxterm can use it
2010-12-10 16:45:58 +00:00
gui.h
* include/grub/gui.h (grub_fixed_sfs_divide): Round rather than
2013-11-08 16:17:29 +01:00
hfs.h
hfs: Fix gcc9 error -Waddress-of-packed-member
2019-04-23 11:37:08 +02:00
hfsplus.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
i18n.h
Add missing format_arg attribute to check that printf with translated
2013-12-17 16:42:01 +01:00
icon_manager.h
working copy, wo nested packaging
2010-08-17 19:03:22 +05:30
kernel.h
cli_lock: Add build option to block command line interface
2024-06-06 16:54:10 +02:00
key_protector.h
key_protector: Add key protectors framework
2024-11-28 21:50:55 +01:00
keyboard_layouts.h
Handle Japanese special keys.
2013-10-17 00:49:05 +02:00
legacy_parse.h
* grub-core/tests/legacy_password_test.c: New test.
2013-11-12 02:38:33 +01:00
libpciaccess.h
working copy, wo nested packaging
2010-08-17 19:03:22 +05:30
linux.h
loader: Drop argv[] argument in grub_initrd_load()
2022-08-19 23:55:49 +02:00
list.h
gnulib: Handle warnings introduced by updated gnulib
2022-03-21 19:17:50 +01:00
loader.h
commands/boot: Add API to pass context to loader
2022-06-07 16:39:31 +02:00
lockdown.h
kern: Add lockdown support
2021-03-02 15:54:15 +01:00
lvm.h
Add gcc_struct to all packed structures when compiling with mingw.
2013-12-15 14:14:30 +01:00
macho.h
* grub-core/loader/machoXX.c: Fix compilation on non-i386.
2013-12-17 22:44:46 +01:00
machoload.h
verifiers: File type for fine-grained signature-verification controlling
2018-11-09 13:25:31 +01:00
memory.h
Translate UEFI persistent memory type
2015-12-15 10:25:34 +03:00
menu_viewer.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
menu.h
Fix menu title instability bug.
2012-03-04 14:55:13 +01:00
misc.h
disk/cryptodisk: Require authentication after TPM unlock for CLI access
2025-01-23 16:22:47 +01:00
mm_private.h
mm: When adding a region, merge with region after as well as before
2022-07-04 14:13:56 +02:00
mm.h
nx: Add memory attribute get/set API
2024-10-11 14:35:54 +02:00
module_verifier.h
grub-module-verifier: Report the filename or modname in errors
2018-09-12 13:24:36 +02:00
msdos_partition.h
Add gcc_struct to all packed structures when compiling with mingw.
2013-12-15 14:14:30 +01:00
multiboot2.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
multiboot_loader.h
working copy, wo nested packaging
2010-08-17 19:03:22 +05:30
multiboot.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
net.h
net: Fix OOB write in grub_net_search_config_file()
2025-02-13 15:44:58 +01:00
normal.h
* grub-core/normal/main.c: Don't drop to rescue console in
2014-09-21 18:51:09 +02:00
ns8250.h
term/ns8250: Move base clock definition to a header
2023-01-19 17:39:03 +01:00
ntfs.h
fs/ntfs: Implement attribute verification
2025-01-23 16:22:47 +01:00
offsets.h
include/grub/offsets.h: Set mod_align to 4 on MIPS
2024-09-05 17:29:35 +02:00
parser.h
* grub-core/disk/ldm.c: Rename variables and arguments to prevent
2013-10-18 16:54:57 +02:00
partition.h
misc: Spelling fixes
2023-01-19 17:39:04 +01:00
parttool.h
types: Make bool generally available
2022-11-14 17:17:21 +01:00
pci.h
pci: Rename GRUB_PCI_CLASS_*
2023-05-25 16:47:59 +02:00
pciutils.h
working copy, wo nested packaging
2010-08-17 19:03:22 +05:30
priority_queue.h
* tests/priority_queue_unit_test.cc: New test.
2013-05-07 11:30:48 +02:00
procfs.h
fix include loop on MinGW due to libintl.h pulling stdio.h
2014-01-18 21:22:57 +04:00
ps2.h
at_keyboard: Split protocol from controller code.
2017-05-08 21:41:22 +02:00
pubkey.h
verifiers: fix double close on pgp's sig file descriptor
2018-11-21 14:46:53 +01:00
random.h
Add RNG module.
2016-02-12 12:39:38 +01:00
reader.h
Remove nested functions from script reading and parsing.
2013-01-15 12:03:25 +00:00
reed_solomon.h
C part of Reed-Solomon
2010-09-24 14:05:47 +02:00
relocator_private.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
relocator.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
safemath.h
safemath: Add ALIGN_UP_OVF() which checks for an overflow
2024-05-23 15:19:06 +02:00
script_sh.h
lexer: char const * should be const char *
2020-09-18 22:31:30 +02:00
scsi.h
Remove nested functions from device iterators.
2013-01-20 15:52:15 +00:00
scsicmd.h
Add gcc_struct to all packed structures when compiling with mingw.
2013-12-15 14:14:30 +01:00
sdl.h
emu: Add SDL2 support
2023-06-23 00:50:38 +02:00
search.h
commands/search: Add new --efidisk-only option for EFI systems
2022-04-04 18:07:04 +02:00
serial.h
term/serial: Add support for PCI serial devices
2023-05-25 16:46:37 +02:00
setjmp.h
* include/grub/setjmp.h: Define RETURNS_TWICE. Keep it empty for
2013-10-18 16:38:36 +02:00
smbios.h
smbios: Add a module for retrieving SMBIOS information
2019-07-11 21:06:12 +02:00
smbus.h
working copy, wo nested packaging
2010-08-17 19:03:22 +05:30
speaker.h
New terminal outputs using serial: morse and spkmodem.
2013-01-16 20:39:54 +01:00
stack_protector.h
efi: Fix stack protector issues
2024-05-09 15:20:05 +02:00
symbol.h
With Apple assembly in .macro environvemnt you have to use $$ instead
2013-11-24 07:08:18 +01:00
syslinux_parse.h
Implement syslinux parser.
2013-12-18 05:28:05 +01:00
term.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
terminfo.h
Lift 255x255 erminal sie restriction to 65535x65535. Also change from
2013-10-19 23:59:32 +02:00
test.h
* include/grub/test.h: Use gnu_printf rather than printf on GRUB
2013-12-15 14:39:21 +01:00
time.h
fs/xfs: Add bigtime incompat feature support
2021-06-01 17:20:20 +02:00
tparm.h
Add missing const qualifiers.
2011-11-30 16:20:13 +01:00
tpm.h
tpm: Enable boot despite unknown firmware failure
2023-06-23 00:50:38 +02:00
trig.h
* grub-core/gentrigtables.c: Make tables const.
2013-03-01 11:15:09 +01:00
types.h
types: Add missing casts in compile-time byteswaps
2024-06-06 16:55:16 +02:00
udf.h
Split out blocklist retrieving from setup.c to
2013-10-15 17:02:26 +02:00
unicode.h
normal/charset: Fix an integer overflow in grub_unicode_aglomerate_comb()
2022-11-14 20:24:39 +01:00
usb.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
usbdesc.h
Add gcc_struct to all packed structures when compiling with mingw.
2013-12-15 14:14:30 +01:00
usbserial.h
Implement USBDebug (full USB stack variant).
2013-02-01 21:49:29 +01:00
usbtrans.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
verify.h
kern/efi/sb: Reject non-kernel files in the shim_lock verifier
2022-06-07 16:39:31 +02:00
vga.h
Add monochrome text support (mda_text, aka `hercules' in grub-legacy).
2012-06-28 15:27:54 +02:00
vgaregs.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
video_fb.h
* grub-core/gfxmenu/gui_box.c: Updated to work with area status.
2013-11-08 15:42:38 +04:00
video.h
include: Remove trailing whitespaces
2022-03-14 16:01:26 +01:00
xen_file.h
xen: add capability to load p2m list outside of kernel mapping
2016-10-27 16:22:06 +02:00
xen.h
xen: Add basic hooks for PVH in current code
2018-12-12 12:03:27 +01:00
xnu.h
Add gcc_struct to all packed structures when compiling with mingw.
2013-12-15 14:14:30 +01:00