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u-boot/lib/efi_loader
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Mikhail Ilin ae182a25f5 efi_loader: Fix buffer underflow 
If the array index 'i' < 128, the 'codepage' array is accessed using
[-128...-1] in efi_unicode_collation.c:262. This can lead to a buffer
overflow.

    Negative index in efi_unicode_collation.c:262.

The index of the 'codepage' array should be c - 0x80 instead of i - 0x80.

Fixes: 0bc4b0da7b ("efi_loader: EFI_UNICODE_COLLATION_PROTOCOL")
Signed-off-by: Mikhail Ilin <ilin.mikhail.ol@gmail.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2022-11-22 11:54:30 +01:00
..
.gitignore efi_loader: git ignore helloworld_efi.S 2020-01-07 18:08:20 +01:00
dtbdump.c efi_loader: move dtbdump.c, initrddump.c to lib/efi_loader 2022-03-20 17:01:00 +01:00
efi_acpi.c efi: Correct address handling with ACPI tables 2022-01-25 11:44:36 -07:00
efi_bootmgr.c bootmenu: add removable media entries 2022-09-14 08:43:32 +02:00
efi_boottime.c efi_loader: initialize return values in efi_uninstall_multiple_protocol_interfaces_int() 2022-11-16 08:34:06 +01:00
efi_capsule.c FWU: Add support for the FWU Multi Bank Update feature 2022-10-31 14:47:32 -04:00
efi_conformance.c efi: ECPT add EBBRv2.0 conformance profile 2022-09-03 10:13:26 +02:00
efi_console.c video: Rename CONFIG_DM_VIDEO to CONFIG_VIDEO 2022-10-30 20:07:17 +01:00
efi_device_path.c dm: sandbox: Switch over to using the new host uclass 2022-11-07 16:24:30 -07:00
efi_device_path_to_text.c efi_loader: fix display of NVMe EUI-64 2022-09-03 10:49:17 +02:00
efi_device_path_utilities.c doc: replace @return by Return: 2022-01-19 18:11:34 +01:00
efi_disk.c dm: sandbox: Switch over to using the new host uclass 2022-11-07 16:24:30 -07:00
efi_dt_fixup.c treewide: Drop bootm_headers_t typedef 2022-09-29 16:07:57 -04:00
efi_esrt.c efi_loader: use %pUs for printing GUIDs 2022-01-19 16:16:33 +01:00
efi_file.c efi_loader: replace a u16_strdup with alloc + memcpy 2022-11-16 08:34:06 +01:00
efi_firmware.c FWU: Add support for the FWU Multi Bank Update feature 2022-10-31 14:47:32 -04:00
efi_freestanding.c efi_loader: correct function comment style 2022-01-29 10:23:40 +01:00
efi_gop.c efi: Drop old LCD code 2022-10-30 20:07:17 +01:00
efi_helper.c efi_loader: function to unlink udevice and handle 2022-10-06 22:54:57 +02:00
efi_hii.c efi_loader: EFI_HII_STRING_PROTOCOL.GetString() 2022-04-15 11:26:21 +02:00
efi_hii_config.c efi_loader: use %pUs for printing GUIDs 2022-01-19 16:16:33 +01:00
efi_image_loader.c efi_loader: image_loader: add a missing digest verification for signed PE image 2022-07-05 14:37:16 +02:00
efi_load_initrd.c efi_loader: remove efi_delete_handle on loadfile2 2022-10-16 12:23:22 +02:00
efi_load_options.c efi_loader: simplify efi_set_load_options() 2022-10-10 16:34:26 +02:00
efi_memory.c efi_loader: AllocateAddress requires page address 2022-11-06 10:50:04 +01:00
efi_net.c efi_loader: fix use after free in receive path 2020-10-19 22:59:53 +02:00
efi_riscv.c efi_loader: Enable RISCV_EFI_BOOT_PROTOCOL support 2022-01-29 10:23:40 +01:00
efi_rng.c efi_loader: use %pUs for printing GUIDs 2022-01-19 16:16:33 +01:00
efi_root_node.c efi_loader: define internal implementations of install/uninstallmultiple 2022-10-06 22:54:58 +02:00
efi_runtime.c Rename CONFIG_SYS_TEXT_BASE to CONFIG_TEXT_BASE 2022-10-31 11:01:31 -04:00
efi_setup.c efi_loader: remove CONFIG_EFI_SETUP_EARLY 2022-11-06 10:50:04 +01:00
efi_signature.c efi_loader: signature: export efi_hash_regions() 2022-07-05 14:37:16 +02:00
efi_smbios.c doc: replace @return by Return: 2022-01-19 18:11:34 +01:00
efi_string.c efi: Add string conversion helper 2022-10-06 22:54:57 +02:00
efi_tcg2.c efi_loader: CloseProtocol in tcg2_measure_gpt_data 2022-10-10 16:34:25 +02:00
efi_unicode_collation.c efi_loader: Fix buffer underflow 2022-11-22 11:54:30 +01:00
efi_var_common.c efi: Use 16-bit unicode strings 2022-02-03 12:16:01 -05:00
efi_var_file.c blk: Rename if_type to uclass_id 2022-09-25 08:30:05 -06:00
efi_var_mem.c efi_loader: treat UEFI variable name as const 2021-10-25 21:13:06 +02:00
efi_var_seed.S efi_loader: pre-seed UEFI variables 2020-07-16 12:37:02 +02:00
efi_variable.c efi: Use 16-bit unicode strings 2022-02-03 12:16:01 -05:00
efi_variable_tee.c efi_loader: Set variable attributes when EFI_BUFFER_TOO_SMALL is returned 2022-03-20 11:03:06 +01:00
efi_watchdog.c efi_loader: update the timing of enabling and disabling EFI watchdog 2022-02-26 07:37:01 +01:00
helloworld.c efi_loader: printing UEFI revision in helloworld.efi 2022-09-03 08:16:09 +02:00
initrddump.c efi_loader: initrddump: drain input before prompt 2022-03-26 07:46:21 +01:00
Kconfig efi_loader: remove CONFIG_EFI_SETUP_EARLY 2022-11-06 10:50:04 +01:00
Makefile efi_loader: Let networking support depend on NETDEVICES 2022-11-06 10:50:04 +01:00