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linux/drivers/char/tpm
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Jeremy Boone 9b8cb28d7c tpm_i2c_infineon: fix potential buffer overruns caused by bit glitches on the bus 
Discrete TPMs are often connected over slow serial buses which, on
some platforms, can have glitches causing bit flips.  In all the
driver _recv() functions, we need to use a u32 to unmarshal the
response size, otherwise a bit flip of the 31st bit would cause the
expected variable to go negative, which would then try to read a huge
amount of data.  Also sanity check that the expected amount of data is
large enough for the TPM header.

Signed-off-by: Jeremy Boone <jeremy.boone@nccgroup.trust>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
2018-02-26 15:43:44 -08:00
..
st33zp24 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig tpm: Move Linux RNG connection to hwrng 2018-01-08 12:58:36 +02:00
Makefile tpm: parse TPM event logs based on EFI table 2018-01-08 12:58:35 +02:00
tpm-chip.c tpm: Move Linux RNG connection to hwrng 2018-01-08 12:58:36 +02:00
tpm-dev-common.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
tpm-dev.c tpm: split out tpm-dev.c into tpm-dev.c and tpm-common-dev.c 2017-04-03 22:46:01 +03:00
tpm-dev.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tpm-interface.c tpm: Keep CLKRUN enabled throughout the duration of transmit_cmd() 2018-01-08 12:58:38 +02:00
tpm-sysfs.c tpm: migrate pubek_show to struct tpm_buf 2017-10-12 14:28:59 +03:00
tpm.h tpm: return a TPM_RC_COMMAND_CODE response if command is not implemented 2018-01-08 12:58:36 +02:00
tpm1_eventlog.c tpm: parse TPM event logs based on EFI table 2018-01-08 12:58:35 +02:00
tpm2-cmd.c tpm2-cmd: allow more attempts for selftest execution 2018-01-08 12:58:37 +02:00
tpm2-space.c tpm: fix type of a local variable in tpm2_map_command() 2017-10-18 18:28:48 +03:00
tpm2_eventlog.c tpm: move tpm_eventlog.h outside of drivers folder 2018-01-08 12:58:34 +02:00
tpm_atmel.c tpm/tpm_atmel: remove unnecessary NULL check 2017-06-19 02:36:04 +02:00
tpm_atmel.h tpm: remove tpm_read_index and tpm_write_index from tpm.h 2017-02-03 22:03:14 +02:00
tpm_crb.c tpm/tpm_crb: Use start method value from ACPI table directly 2017-10-18 18:28:45 +03:00
tpm_eventlog_acpi.c tpm: parse TPM event logs based on EFI table 2018-01-08 12:58:35 +02:00
tpm_eventlog_efi.c tpm: parse TPM event logs based on EFI table 2018-01-08 12:58:35 +02:00
tpm_eventlog_of.c tpm: parse TPM event logs based on EFI table 2018-01-08 12:58:35 +02:00
tpm_i2c_atmel.c tpm: Factor out common startup code 2016-07-19 17:43:38 +03:00
tpm_i2c_infineon.c tpm_i2c_infineon: fix potential buffer overruns caused by bit glitches on the bus 2018-02-26 15:43:44 -08:00
tpm_i2c_nuvoton.c tpm_i2c_nuvoton: fix potential buffer overruns caused by bit glitches on the bus 2018-02-26 15:43:44 -08:00
tpm_ibmvtpm.c tpm: ibmvtpm: simplify crq initialization and document crq format 2017-09-23 21:51:38 -07:00
tpm_ibmvtpm.h tpm_ibmvtpm: properly handle interrupted packet receptions 2015-12-20 15:27:12 +02:00
tpm_infineon.c tpm: replace msleep() with usleep_range() in TPM 1.2/2.0 generic drivers 2017-09-23 21:51:00 -07:00
tpm_nsc.c tpm: remove tpm_read_index and tpm_write_index from tpm.h 2017-02-03 22:03:14 +02:00
tpm_ppi.c ACPI: Switch to use generic guid_t in acpi_evaluate_dsm() 2017-06-07 12:20:49 +02:00
tpm_tis.c tpm: remove unused variables 2018-01-08 12:58:54 +02:00
tpm_tis_core.c tpm_tis: fix potential buffer overruns caused by bit glitches on the bus 2018-02-26 15:43:43 -08:00
tpm_tis_core.h tpm: delete the TPM_TIS_CLK_ENABLE flag 2018-01-08 12:58:38 +02:00
tpm_tis_spi.c tpm: fix type of a local variables in tpm_tis_spi.c 2017-10-18 18:28:48 +03:00
tpm_vtpm_proxy.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
tpmrm-dev.c tpm, tpmrm: Mark tpmrm_write as static 2017-06-13 22:02:08 +03:00
xen-tpmfront.c tpm: move wait_for_tpm_stat() to respective driver files 2017-12-16 20:27:32 +02:00