Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | < 2.5.0 |
Related Weaknesses (CWE)
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=43b11a91dd861a946b231b89b754285
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175380.htIssue TrackingThird Party Advisory
- http://www.debian.org/security/2016/dsa-3471Issue TrackingThird Party Advisory
- http://www.openwall.com/lists/oss-security/2015/12/14/2Issue TrackingMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/80761Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1291137Issue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/201602-01Issue TrackingThird Party Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=43b11a91dd861a946b231b89b754285
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175380.htIssue TrackingThird Party Advisory
- http://www.debian.org/security/2016/dsa-3471Issue TrackingThird Party Advisory
- http://www.openwall.com/lists/oss-security/2015/12/14/2Issue TrackingMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/80761Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1291137Issue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/201602-01Issue TrackingThird Party Advisory
FAQ
What is CVE-2015-7549?
CVE-2015-7549 is a vulnerability with a CVSS score of 6.0 (MEDIUM). 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...
How severe is CVE-2015-7549?
CVE-2015-7549 has been rated MEDIUM with a CVSS base score of 6.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-7549?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.