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Mark O'Donovan 12ac013ad7 crypto: lib/mpi - avoid null pointer deref in mpi_cmp_ui() 
[ Upstream commit 9e47a758b7 ]

During NVMeTCP Authentication a controller can trigger a kernel
oops by specifying the 8192 bit Diffie Hellman group and passing
a correctly sized, but zeroed Diffie Hellamn value.
mpi_cmp_ui() was detecting this if the second parameter was 0,
but 1 is passed from dh_is_pubkey_valid(). This causes the null
pointer u->d to be dereferenced towards the end of mpi_cmp_ui()

Signed-off-by: Mark O'Donovan <shiftee@posteo.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2023-09-23 11:14:20 +02:00
..
Makefile lib/mpi: Introduce ec implementation to MPI library 2020-09-25 17:48:54 +10:00
ec.c lib/mpi: Remove unused scalar_copied 2020-10-30 17:34:45 +11:00
generic_mpih-add1.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 26 2019-05-24 17:27:10 +02:00
generic_mpih-lshift.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 26 2019-05-24 17:27:10 +02:00
generic_mpih-mul1.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 26 2019-05-24 17:27:10 +02:00
generic_mpih-mul2.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 26 2019-05-24 17:27:10 +02:00
generic_mpih-mul3.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 26 2019-05-24 17:27:10 +02:00
generic_mpih-rshift.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 26 2019-05-24 17:27:10 +02:00
generic_mpih-sub1.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 26 2019-05-24 17:27:10 +02:00
longlong.h lib/mpi: fix spelling mistakes 2021-07-01 11:06:05 -07:00
mpi-add.c crypto: rsa - implement Chinese Remainder Theorem for faster private key operations 2022-06-24 17:12:29 +08:00
mpi-bit.c lib/mpi: export mpi_rshift 2022-03-03 10:47:52 +12:00
mpi-cmp.c crypto: lib/mpi - avoid null pointer deref in mpi_cmp_ui() 2023-09-23 11:14:20 +02:00
mpi-div.c lib/mpi: Fix unused variable warnings 2020-10-02 18:02:13 +10:00
mpi-inline.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 26 2019-05-24 17:27:10 +02:00
mpi-internal.h lib/mpi: Fix unused variable warnings 2020-10-02 18:02:13 +10:00
mpi-inv.c lib/mpi: Extend the MPI library 2020-09-25 17:48:53 +10:00
mpi-mod.c lib/mpi: Add the return value check of kcalloc() 2022-01-07 14:30:01 +11:00
mpi-mul.c crypto: rsa - implement Chinese Remainder Theorem for faster private key operations 2022-06-24 17:12:29 +08:00
mpi-pow.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-05 13:31:19 +09:00
mpi-sub-ui.c lib/mpi: Add mpi_sub_ui() 2020-07-31 18:08:59 +10:00
mpicoder.c lib/mpi: Fix buffer overrun when SG is too long 2023-01-06 17:15:46 +08:00
mpih-cmp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 26 2019-05-24 17:27:10 +02:00
mpih-div.c lib/mpi: Fix unused variable warnings 2020-10-02 18:02:13 +10:00
mpih-mul.c lib/mpi: Extend the MPI library 2020-09-25 17:48:53 +10:00
mpiutil.c lib/mpi: fix typo 'the the' in comment 2022-07-29 18:12:35 -07:00