The slirp_smb function in net/slirp.c in QEMU 2.3.0 and earlier creates temporary files…
Priority LOW 11CWE-17Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
The slirp_smb function in net/slirp.c in QEMU 2.3.0 and earlier creates temporary files with predictable names, which allows local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program.
Why it matters now
EPSS 0.00375 31st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix yet |
| Red Hat Enterprise Linux 6 | Affected | No fix yet |
| Red Hat Enterprise Linux 7 | Affected | No fix yet |
| Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) | Affected | No fix yet |
| Red Hat Enterprise Linux OpenStack Platform 6 (Juno) | Affected | No fix yet |
| Red Hat OpenStack Platform 4 | Affected | No fix yet |
Timeline
- 2026-10-02 Threatist record created from CVE-2015-4037
- 2026-10-03 Alias added: GHSA-4xwp-3m3p-vvgr
References
Advisory 8
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-2015-4037 · CVE Program
- CVE-2015-4037 · NVD
- FIRST EPSS
- GHSA-4xwp-3m3p-vvgr · GitHub Advisory Database · CC BY 4.0
- CVE-2015-4037 · Red Hat security data · CC BY 4.0
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