CVE-2015-7549
UnknownEPSS 0.38%
Last modified
CVE-2015-7549 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Qemu | Qemu | < 2.5.0 | R1 |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175380.htmlIssue Tracking, Third Party Advisory
- http://www.debian.org/security/2016/dsa-3471Issue Tracking, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/12/14/2Issue Tracking, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/80761Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1291137Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/201602-01Issue Tracking, Third Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175380.htmlIssue Tracking, Third Party Advisory
- http://www.debian.org/security/2016/dsa-3471Issue Tracking, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/12/14/2Issue Tracking, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/80761Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1291137Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/201602-01Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2015-7549?
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.
How severe is CVE-2015-7549?
Severity scoring for CVE-2015-7549 is pending analysis. The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.
How do I fix CVE-2015-7549?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2015-7549?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
