CVE-2015-7549

Description

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.

Category

6.0
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.12%
Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2015/12/14/2 mailing list third party advisory issue tracking
http://www.securityfocus.com/bid/80761 third party advisory vdb entry
http://www.debian.org/security/2016/dsa-3471 vendor advisory third party advisory issue tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1291137 third party advisory issue tracking
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=43b11a91dd861a946b231b89b754285
https://security.gentoo.org/glsa/201602-01 vendor advisory third party advisory issue tracking
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175380.html vendor advisory third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2015-7549?
CVE-2015-7549 has been scored as a medium severity vulnerability.
How to fix CVE-2015-7549?
To fix CVE-2015-7549, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-7549 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-7549 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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