Vulnerability in Qemu
CVE-2016-5105
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (32.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Qemu
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- www.ubuntu.com/usn/USN-3047-1 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/05/25/5 (mailing-list, Mailing List, Third Party Advisory)
- lists.gnu.org/archive/html/qemu-devel/2016-05/msg04419.html (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.ubuntu.com/usn/USN-3047-2 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/05/26/7 (mailing-list, Mailing List, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2018/11/msg00038.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-5105?
- CVE-2016-5105 is a medium-severity vulnerability in Qemu, classified under Use of Uninitialized Resource. CVSS score: 4.4/10. Published 2016-09-02.
- How severe is CVE-2016-5105?
- Medium severity. CVSS v3 base score is 4.4 out of 10.