CVE-2017-5856
6.5
MEDIUM
CVSS 3.1
EPSS 0.07%
Description
Memory leak in the megasas_handle_dcmd function in hw/scsi/megasas.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption) via MegaRAID Firmware Interface (MFI) commands with the sglist size set to a value over 2 Gb.
How to fix CVE-2017-5856
To remediate CVE-2017-5856, upgrade the affected package to a fixed version below.
- Alpine/qemu—upgrade to 2.8.1-r1 or later
- —upgrade to 1:2.8+dfsg-3 or later
Is CVE-2017-5856 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.8.1-r1
- from 0, < 1:2.8+dfsg-3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |