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linux-stable/lib/mpi
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Mark O'Donovan d3ad023a39 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 11:11:02 +02:00
..
ec.c lib/mpi: Remove unused scalar_copied 2020-10-30 17:34:45 +11:00
generic_mpih-add1.c
generic_mpih-lshift.c
generic_mpih-mul1.c
generic_mpih-mul2.c
generic_mpih-mul3.c
generic_mpih-rshift.c
generic_mpih-sub1.c
longlong.h lib/mpi: fix spelling mistakes 2021-07-01 11:06:05 -07:00
Makefile lib/mpi: Introduce ec implementation to MPI library 2020-09-25 17:48:54 +10:00
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 11:11:02 +02:00
mpi-div.c lib/mpi: Fix unused variable warnings 2020-10-02 18:02:13 +10:00
mpi-inline.h
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
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 2023-03-10 09:32:52 +01:00
mpih-cmp.c
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