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| author | Lixiaokeng <lixiaokeng@huawei.com> | 2021-12-20 14:39:06 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-12-23 07:03:59 +0300 |
| commit | 1b8d0300a3e9f216ae4901bab886db7299899ec6 (patch) | |
| tree | 8ee913851e6319b98594665013eb08e9745d03d1 /drivers/scsi/atari_scsi.c | |
| parent | 9020be114a47bf7ff33e179b3bb0016b91a098e6 (diff) | |
| download | linux-1b8d0300a3e9f216ae4901bab886db7299899ec6.tar.xz | |
scsi: libiscsi: Fix UAF in iscsi_conn_get_param()/iscsi_conn_teardown()
|- iscsi_if_destroy_conn |-dev_attr_show
|-iscsi_conn_teardown
|-spin_lock_bh |-iscsi_sw_tcp_conn_get_param
|-kfree(conn->persistent_address) |-iscsi_conn_get_param
|-kfree(conn->local_ipaddr)
==>|-read persistent_address
==>|-read local_ipaddr
|-spin_unlock_bh
When iscsi_conn_teardown() and iscsi_conn_get_param() happen in parallel, a
UAF may be triggered.
Link: https://lore.kernel.org/r/046ec8a0-ce95-d3fc-3235-666a7c65b224@huawei.com
Reported-by: Lu Tixiong <lutianxiong@huawei.com>
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Lixiaokeng <lixiaokeng@huawei.com>
Signed-off-by: Linfeilong <linfeilong@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/atari_scsi.c')
0 files changed, 0 insertions, 0 deletions