Security readout for executives and security teams
CVE-2016-9846 is a QEMU virtio-gpu memory leak in cursor handling. A user or process inside a guest VM could cause host memory bytes to leak and potentially drive a denial of service on the host. The sources do not report active exploitation or a CVSS score. Most relevant to virtualization hosts running QEMU with virtio-gpu/virgl enabled for guest VMs. Hosts without that device support, or workloads not presenting it to guests, are less likely to be exposed based on the provided description. Treat this as a targeted virtualization maintenance issue, not an internet-wide emergency. Prioritize patching shared or untrusted VM infrastructure because the security boundary involved is guest-to-host isolation. Mitigation focus: Apply vendor QEMU updates that include the virtio-gpu cursor leak fix.; Follow distribution advisories, including Gentoo GLSA-201701-49 where applicable.; Prioritize hosts running untrusted or multi-tenant guests with virtio-gpu/virgl enabled..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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CVE-2016-9846 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- GLSA-201701-49CVE reference · vendor-advisory, x_refsource_GENTOO
- [qemu-devel] 20161101 [PATCH] virtio-gpu: fix memory leak in update_cursor_data_virglCVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
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