CVE-2017-9503

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.41% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 34.5% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2017-06-16 22:00Z9 YR AGO

Last updated

2024-08-05 17:11Z2 YR AGO

Reserved

2017-06-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

fc5c73cf32e9d489ab720ca480bf172f0ccbe56b47f757f48fb4f0f21d341399

• lists.debian.org[debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security updatehttps://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlmailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20170608 CVE-2017-9503 Qemu: scsi: null pointer dereference while processing megasas commandhttp://www.openwall.com/lists/oss-security/2017/06/08/1mailing-listx_refsource_MLIST
• www.securityfocus.com99010http://www.securityfocus.com/bid/99010vdb-entryx_refsource_BID
• lists.gnu.org[qemu-devel] 20170606 [PATCH 7/7] megasas: always store SCSIRequest* into Megasashttps://lists.gnu.org/archive/html/qemu-devel/2017-06/msg01313.htmlmailing-listx_refsource_MLIST
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1459477x_refsource_CONFIRM
• lists.gnu.org[qemu-devel] 20170606 [PATCH 4/7] megasas: do not read DCMD opcode more than oncehttps://lists.gnu.org/archive/html/qemu-devel/2017-06/msg01309.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20200726 [SECURITY] [DLA 2288-1] qemu security updatehttps://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlmailing-listx_refsource_MLIST