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linux/lib/mpi
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Herbert Xu 318dd6f5b7 lib/mpi: Fix buffer overrun when SG is too long 
[ Upstream commit 7361d1bc30 ]

The helper mpi_read_raw_from_sgl sets the number of entries in
the SG list according to nbytes.  However, if the last entry
in the SG list contains more data than nbytes, then it may overrun
the buffer because it only allocates enough memory for nbytes.

Fixes: 2d4d1eea54 ("lib/mpi: Add mpi sgl helpers")
Reported-by: Roberto Sassu <roberto.sassu@huaweicloud.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-03-11 16:39:20 +01:00
..
ec.c lib/mpi: Introduce ec implementation to MPI library 2020-09-25 17:48:54 +10:00
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 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2020-06-01 12:00:10 -07:00
Makefile lib/mpi: Introduce ec implementation to MPI library 2020-09-25 17:48:54 +10:00
mpi-add.c lib/mpi: Extend the MPI library 2020-09-25 17:48:53 +10:00
mpi-bit.c lib/mpi/mpi-bit.c: fix spello of "functions" 2020-10-16 11:11:20 -07:00
mpi-cmp.c lib/mpi: Extend the MPI library 2020-09-25 17:48:53 +10:00
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() 2022-01-27 10:54:02 +01:00
mpi-mul.c lib/mpi: Fix unused variable warnings 2020-10-02 18:02:13 +10:00
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 2023-03-11 16:39:20 +01:00
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: use kcalloc in mpi_resize 2021-09-15 09:50:29 +02:00