CVE & CISA-KEV Catalog

CVE-2015-5165

HIGHEPSS 96th pctl
9.3
CVSS v2
NVD

Description

The C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used in Xen 4.5.x and earlier, allows remote attackers to read process heap memory via unspecified vectors.

How to fix

Remediation Available
qemuDebian
Fixed in:1:2.4+dfsg-1aCVE-2015-5165
Fixed in:1:2.4+dfsg-1aCVE-2015-5165
Fixed in:1:2.4+dfsg-1aCVE-2015-5165
Fixed in:1:2.4+dfsg-1aCVE-2015-5165
qemuUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.17USN-2724-1
qemu-systemUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.17USN-2724-1
qemu-system-aarch64Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.17USN-2724-1
qemu-system-armUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.17USN-2724-1
qemu-system-mipsUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.17USN-2724-1
qemu-system-miscUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.17USN-2724-1
qemu-system-ppcUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.17USN-2724-1
qemu-system-sparcUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.17USN-2724-1
qemu-system-x86Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.17USN-2724-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

13.29%probability of exploitation in 30 days
96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

Related Vulnerabilities

Other CWE-908 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-5777High7.5100%KEV + RansomFix
CVE-2023-24941Critical9.895%-Fix
CVE-2007-1751High9.361%--
CVE-2008-0081Critical9.858%--
CVE-2020-1934Medium5.352%-Fix
CVE-2008-3475High8.840%--

Common questions

How do I fix CVE-2015-5165?

Published advisories record a fix for 10 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2015-5165 being actively exploited?

Not that we know of. CVE-2015-5165 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 13.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 96% of all scored CVEs.

How severe is CVE-2015-5165?

CVE-2015-5165 has a CVSS v2 base score of 9.3, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2015-5165 affect?

Published advisories record a fix for qemu (Debian), qemu (Ubuntu), qemu-system (Ubuntu), qemu-system-aarch64 (Ubuntu), and 6 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.