]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: c94b024) | patch
nfc: pn533: prevent potential memory corruption
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 2 Apr 2021 11:44:42 +0000 (14:44 +0300)
committerDavid S. Miller <davem@davemloft.net>
Fri, 2 Apr 2021 21:27:50 +0000 (14:27 -0700)
commit4f517bae926393d7547222b6316494b01e976b86
tree3c90130a8db3ff83082850e5349dc0e836006630tree | snapshot
parentc94b024bae377222387f1bc09cd2fd03a663252bcommit | diff
nfc: pn533: prevent potential memory corruption

If the "type_a->nfcid_len" is too large then it would lead to memory
corruption in pn533_target_found_type_a() when we do:

memcpy(nfc_tgt->nfcid1, tgt_type_a->nfcid_data, nfc_tgt->nfcid1_len);

Fixes: 33ae9be7c014 ("NFC: Export NFCID1 from pn533")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/nfc/pn533/pn533.c diff | blob | history
Linux Kernel Source Tree.