CVE-2015-4037

CVE-2015-4037 is a low-severity vulnerability in Qemu with a CVSS 2.0 base score of 1.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-17.

Key facts

• Severity: Low (CVSS 2.0 base score 1.9)
• EPSS exploit prediction: 0% (29th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-17
• Affected product: Qemu
• Published: 2015-08-26
• Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2015-4037?

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.

How severe is CVE-2015-4037?

CVE-2015-4037 has a CVSS 2.0 base score of 1.9, rated low severity.

Is CVE-2015-4037 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4037?

CVE-2015-4037 affects Qemu. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-4037?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-4037 published?

CVE-2015-4037 was published on 2015-08-26 and last updated on 2026-06-17.

References

• http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160058.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160414.html
• http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00027.html
• http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00015.html
• http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html
• http://www.debian.org/security/2015/dsa-3284
• http://www.debian.org/security/2015/dsa-3285
• http://www.openwall.com/lists/oss-security/2015/05/13/7
• http://www.openwall.com/lists/oss-security/2015/05/16/5
• http://www.openwall.com/lists/oss-security/2015/05/23/4
• http://www.securityfocus.com/bid/74809
• http://www.securitytracker.com/id/1032547
• http://www.ubuntu.com/usn/USN-2630-1
• https://bugzilla.redhat.com/show_bug.cgi?id=1222892

Affected products (1)

• cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

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