Fix has been included:
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=ee760ac80ac1f1
** Changed in: qemu
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1882065
Title:
Could this cause OOB bug ?
Status in QEMU:
Fix Committed
Bug description:
In function megasas_handle_scsi(hw/scsi/megasas.c):
```c
static int megasas_handle_scsi(MegasasState *s, MegasasCmd *cmd,
int frame_cmd)
{
............................................................................
cdb = cmd->frame->pass.cdb;
target_id = cmd->frame->header.target_id;
lun_id = cmd->frame->header.lun_id;
cdb_len = cmd->frame->header.cdb_len;
............................................................................
if (cdb_len > 16) {
trace_megasas_scsi_invalid_cdb_len(
mfi_frame_desc[frame_cmd], is_logical,
target_id, lun_id, cdb_len);
megasas_write_sense(cmd, SENSE_CODE(INVALID_OPCODE));
cmd->frame->header.scsi_status = CHECK_CONDITION;
s->event_count++;
return MFI_STAT_SCSI_DONE_WITH_ERROR;
}
}
```
Two variables, frame_cmd and cdb_len, can be controlled by guest os.
So can mfi_frame_desc[frame_cmd] cause OOB bug ?
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