Vulnerability Description
The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.2.3 |
| Xen | Xen | 4.3.0 |
| Oracle | Vm Virtualbox | >= 4.0.0, <= 4.0.34 |
| Debian | Debian Linux | 7.0 |
| Canonical | Ubuntu Linux | 12.04 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54a205Vendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172187.hMailing ListThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172300.hMailing ListThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172435.hMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00039.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.htmlMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-2636.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-2645.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-0046.htmlThird Party Advisory
FAQ
What is CVE-2015-5307?
CVE-2015-5307 is a vulnerability with a CVSS score of 4.9 (MEDIUM). The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check...
How severe is CVE-2015-5307?
CVE-2015-5307 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-5307?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Xen Xen, Oracle Vm Virtualbox, Debian Debian Linux, Canonical Ubuntu Linux.