CVE-2017-9503

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-06-16 · updated 2026-06-17
Weakness: CWE-476

Description

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.

Affected products

Debian Linux: 8.0, 9.0
QEMU: through 2.9.1

References

http://www.openwall.com/lists/oss-security/2017/06/08/1
http://www.securityfocus.com/bid/99010
https://bugzilla.redhat.com/show_bug.cgi?id=1459477
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
https://lists.gnu.org/archive/html/qemu-devel/2017-06/msg01309.html
https://lists.gnu.org/archive/html/qemu-devel/2017-06/msg01313.html
http://www.openwall.com/lists/oss-security/2017/06/08/1
http://www.securityfocus.com/bid/99010
https://bugzilla.redhat.com/show_bug.cgi?id=1459477
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html

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