Vulnerability Details : CVE-2017-9503
QEMU (aka Quick Emulator), when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors involving megasas command processing.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2017-9503
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-9503
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-9503
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
1.9
|
LOW | AV:L/AC:M/Au:N/C:N/I:N/A:P |
3.4
|
2.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2017-9503
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-9503
-
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
[SECURITY] [DLA 1497-1] qemu security updateThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2017/06/08/1
oss-security - CVE-2017-9503 Qemu: scsi: null pointer dereference while processing megasas commandMailing List;Patch;Third Party Advisory
-
http://www.securityfocus.com/bid/99010
QEMU CVE-2017-9503 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
[SECURITY] [DLA 2288-1] qemu security updateThird Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1459477
1459477 – (CVE-2017-9503) CVE-2017-9503 Qemu: scsi: megasas: null pointer dereference while processing megasas commandIssue Tracking;Patch;Third Party Advisory
-
https://lists.gnu.org/archive/html/qemu-devel/2017-06/msg01313.html
[Qemu-devel] [PATCH 7/7] megasas: always store SCSIRequest* into MegasasIssue Tracking;Patch;Third Party Advisory
-
https://lists.gnu.org/archive/html/qemu-devel/2017-06/msg01309.html
[Qemu-devel] [PATCH 4/7] megasas: do not read DCMD opcode more than onceIssue Tracking;Patch;Third Party Advisory
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