CVE-2016-5105

Severity: medium (CVSS 4.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-09-02 · updated 2026-06-17
Weakness: CWE-908

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.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 16.04
Debian Linux: 8.0
QEMU: through 2.6.2

References

http://www.openwall.com/lists/oss-security/2016/05/25/5
http://www.openwall.com/lists/oss-security/2016/05/26/7
http://www.ubuntu.com/usn/USN-3047-1
http://www.ubuntu.com/usn/USN-3047-2
https://bugzilla.redhat.com/show_bug.cgi?id=1339583
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg04419.html
http://www.openwall.com/lists/oss-security/2016/05/25/5
http://www.openwall.com/lists/oss-security/2016/05/26/7
http://www.ubuntu.com/usn/USN-3047-1
http://www.ubuntu.com/usn/USN-3047-2
https://bugzilla.redhat.com/show_bug.cgi?id=1339583

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