Vulnerability Description
The megasas_dcmd_cfg_read function in hw/scsi/megasas.c in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, uses an uninitialized variable, which allows local guest administrators to read host memory via vectors involving a MegaRAID Firmware Interface (MFI) command.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.6.2 |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2016/05/25/5Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/26/7Mailing ListThird Party Advisory
- http://www.ubuntu.com/usn/USN-3047-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3047-2Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1339583Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg04419.htmlMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/25/5Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/26/7Mailing ListThird Party Advisory
- http://www.ubuntu.com/usn/USN-3047-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3047-2Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1339583Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg04419.htmlMailing ListPatchThird Party Advisory
FAQ
What is CVE-2016-5105?
CVE-2016-5105 is a vulnerability with a CVSS score of 4.4 (MEDIUM). The megasas_dcmd_cfg_read function in hw/scsi/megasas.c in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, uses an uninitialized variable, which allows local guest admin...
How severe is CVE-2016-5105?
CVE-2016-5105 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-5105?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Canonical Ubuntu Linux, Debian Debian Linux.