Chen Qun a1066296f2 ide: ahci: add check to avoid null dereference (CVE-2019-12067)
Fix CVE-2019-12067

AHCI emulator while committing DMA buffer in ahci_commit_buf()
may do a NULL dereference if the command header 'ad->cur_cmd'
is null. Add check to avoid it.

Reported-by: Bugs SysSec <address@hidden>
Signed-off-by: Prasad J Pandit <address@hidden>

Signed-off-by: Jiajie Li <lijiajie11@huawei.com>
2021-06-21 16:27:25 +08:00
2019-11-06 19:50:55 +08:00
2019-09-30 11:15:46 -04:00
2019-09-30 11:15:46 -04:00
2020-06-01 09:13:38 +00:00
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