kernel/linux
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ synced 2026-10-24 19:10:26 +00:00
Code Issues Releases Packages Activity
linux/drivers/firmware/efi
History
Gregory Price 2b71026220 tpm: fix signed/unsigned bug when checking event logs 
[ Upstream commit e6d654e9f5 ]

A prior bugfix that fixes a signed/unsigned error causes
another signed unsigned error.

A situation where log_tbl->size is invalid can cause the
size passed to memblock_reserve to become negative.

log_size from the main event log is an unsigned int, and
the code reduces to the following

u64 value = (int)unsigned_value;

This results in sign extension, and the value sent to
memblock_reserve becomes effectively negative.

Fixes: be59d57f98 ("efi/tpm: Fix sanity check of unsigned tbl_size being less than zero")
Signed-off-by: Gregory Price <gourry@gourry.net>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-12-14 19:53:21 +01:00
..
libstub efistub/tpm: Use ACPI reclaim memory for event log to avoid corruption 2024-10-17 15:21:21 +02:00
test efi/efi_test: read RuntimeServicesSupported 2020-12-09 08:37:27 +01:00
apple-properties.c efi: fix return value of __setup handlers 2022-03-01 09:02:21 +01:00
arm-runtime.c efi: runtime: Fix potential overflow of soft-reserved region size 2024-03-01 13:26:29 +01:00
capsule-loader.c efi/capsule-loader: fix incorrect allocation size 2024-03-06 14:45:09 +00:00
capsule.c efi: capsule: clean scatter-gather entries from the D-cache 2020-12-09 08:37:27 +01:00
cper-arm.c efi: Replace GPL license boilerplate with SPDX headers 2019-02-04 08:27:25 +01:00
cper-x86.c x86/mce, cper: Pass x86 CPER through the MCA handling chain 2020-11-21 12:05:41 +01:00
cper.c efi/cper: Reformat CPER memory error location to more readable 2022-04-08 11:36:16 +02:00
dev-path-parser.c efi/dev-path-parser: Refactor _UID handling to use acpi_dev_uid_to_integer() 2022-09-19 18:34:42 +02:00
earlycon.c efi/earlycon: Fix early printk for wider fonts 2020-05-12 12:29:45 +02:00
efi-bgrt.c efi/bgrt: Accept BGRT tables with a version of 0 2020-02-22 23:37:37 +01:00
efi-init.c efi: Don't add memblocks for soft-reserved memory 2024-03-01 13:26:29 +01:00
efi-pstore.c efi: pstore: Omit efivars caching EFI varstore access layer 2022-06-24 20:40:19 +02:00
efi.c efi: fix panic in kdump kernel 2024-04-03 15:19:45 +02:00
efibc.c efi: efibc: Guard against allocation failure 2022-09-20 18:42:55 +02:00
embedded-firmware.c crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
esrt.c efi: use default_groups in kobj_type 2022-01-06 21:19:05 +01:00
fake_mem.c efi: Fix handling of multiple efi_fake_mem= entries 2020-01-20 08:14:29 +01:00
fake_mem.h x86/efi: Add efi_fake_mem support for EFI_MEMORY_SP 2019-11-07 15:44:23 +01:00
fdtparams.c efi: xen: Set EFI_PARAVIRT for Xen dom0 boot on all architectures 2024-07-05 09:32:00 +02:00
Kconfig efi: libstub: Remove zboot signing from build options 2022-10-21 11:09:40 +02:00
Makefile efi: vars: Remove deprecated 'efivars' sysfs interface 2022-06-24 20:40:19 +02:00
memattr.c efi: Accept version 2 of memory attributes table 2023-02-09 11:28:17 +01:00
memmap.c efi/x86: Free EFI memory map only when installing a new one. 2024-07-05 09:32:00 +02:00
mokvar-table.c efi/mokvar: move up init order 2022-03-08 13:55:52 +02:00
rci2-table.c efi: Don't attempt to map RCI2 config table if it doesn't exist 2019-12-10 12:13:02 +01:00
reboot.c efi: Fix efi_power_off() not being run before acpi_power_off() when necessary 2022-07-10 17:41:06 +02:00
riscv-runtime.c efi: runtime: Fix potential overflow of soft-reserved region size 2024-03-01 13:26:29 +01:00
runtime-map.c efi: use default_groups in kobj_type 2022-01-06 21:19:05 +01:00
runtime-wrappers.c arm64: efi: Recover from synchronous exceptions occurring in firmware 2023-02-01 08:34:34 +01:00
sysfb_efi.c efi: sysfb_efi: Add quirk for Lenovo Yoga Book X91F/L 2023-04-20 12:35:11 +02:00
tpm.c tpm: fix signed/unsigned bug when checking event logs 2024-12-14 19:53:21 +01:00
vars.c efi: efivars: prevent double registration 2024-03-06 14:45:17 +00:00
x86_fake_mem.c efi/fake_mem: arrange for a resource entry per efi_fake_mem instance 2020-10-13 18:38:27 -07:00