Multiple integer overflows in the USB Net device emulator (hw/usb/dev-network.c) in QEMU…
Priority LOW 32CWE-189Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
Multiple integer overflows in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 allow local guest OS administrators to cause a denial of service (QEMU process crash) or obtain sensitive host memory information via a remote NDIS control message packet that is mishandled in the (1) rndis_query_response, (2) rndis_set_response, or (3) usb_net_handle_dataout function.
Why it matters now
EPSS 0.00422 36th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Not affected: 6 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)
- Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
- Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
- Red Hat OpenStack Platform 8 (Liberty)
Timeline
- 2026-10-02 Threatist record created from CVE-2016-2538
- 2026-10-03 Alias added: GHSA-fqw6-89c5-2q6q
References
Advisory 2
Other 6
- [qemu-devel] 20160216 [Qemu-devel] [PATCH 2/2] usb: check RNDIS buffer offsets & length
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fe3c546c5ff2a6210f9a4d8561cc64051ca8603e
- [oss-security] 20160222 CVE request Qemu: usb: integer overflow in remote NDIS control message handling
- https://bugzilla.redhat.com/show_bug.cgi?id=1303120
- [debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update
- [qemu-stable] 20160329 [Qemu-stable] [ANNOUNCE] QEMU 2.5.1 Stable released
More Qemu vulnerabilities
- TI-2024-16148 QEMU before 8.2.0 has an integer underflow, and resultant buffer overflow, via a TI… CVSS 3.1HIGH 8.8
- TI-2022-02736 Uncontrolled resource consumption in QEMU CVSS 3.1HIGH 7.8
- TI-2023-02681 Qemu: 9pfs: improper access control on special files CVSS 3.1HIGH 7.1
- TI-2019-09678 The QMP migrate command in QEMU version 4.0.0 and earlier is vulnerable to OS command… CVSS 3.0CRITICAL 9.8
- TI-2024-03326 Qemu-kvm: net: assertion failure in update_sctp_checksum() CVSS 3.1MEDIUM 5.5
- TI-2023-22631 QEMU through 8.0.0 could trigger a division by zero in scsi_disk_reset in… CVSS 3.1MEDIUM 5.5
Sources
- CVE-2016-2538 · CVE Program
- CVE-2016-2538 · NVD
- FIRST EPSS
- GHSA-fqw6-89c5-2q6q · GitHub Advisory Database · CC BY 4.0
- CVE-2016-2538 · Red Hat security data · CC BY 4.0
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