CVE-2016-5105
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with an admin-level account. High risk of data exposure.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 4.4 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-908
- Record status
- Modified
Affected
- Qemu ≤ 2.6.2
- Canonical Ubuntu Linux 12.04
- Canonical Ubuntu Linux 14.04
- Canonical Ubuntu Linux 16.04
- Debian Linux 8.0
Attack profile CVSS 3.1 · 4.4
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Raw vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-5105.md and follow it. Check whether this project is affected by CVE-2016-5105. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg04419.html
- https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg04419.html
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
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
- https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg04419.html