CVE-2015-7549

low-risk
Published 2017-10-30

The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method.

Do I need to act?

-
0.12% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.0/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Qemu

References (14)

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=43b11a91dd861a946b231b89b754285
Issue Tracking http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175380.ht...
Issue Tracking http://www.debian.org/security/2016/dsa-3471
Issue Tracking http://www.openwall.com/lists/oss-security/2015/12/14/2
Third Party Advisory http://www.securityfocus.com/bid/80761
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1291137
Issue Tracking https://security.gentoo.org/glsa/201602-01
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=43b11a91dd861a946b231b89b754285
Issue Tracking http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175380.ht...
Issue Tracking http://www.debian.org/security/2016/dsa-3471
Issue Tracking http://www.openwall.com/lists/oss-security/2015/12/14/2
Third Party Advisory http://www.securityfocus.com/bid/80761
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1291137
Issue Tracking https://security.gentoo.org/glsa/201602-01
26
/ 100
low-risk
Severity 20/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal