CVE-2015-3209

CVE-2015-3209 is a high-severity vulnerability in Redhat Enterprise Linux Desktop with a CVSS 2.0 base score of 7.5. 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-787.

Key facts

• Severity: High (CVSS 2.0 base score 7.5)
• EPSS exploit prediction: 10% (95th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-787
• Affected product: Redhat Enterprise Linux Desktop
• Published: 2015-06-15
• Last modified: 2026-06-17

Description

Heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary code by sending a packet with TXSTATUS_STARTPACKET set and then a crafted packet with TXSTATUS_DEVICEOWNS set.

Frequently asked questions

What is CVE-2015-3209?

Heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary code by sending a packet with TXSTATUS_STARTPACKET set and then a crafted packet with TXSTATUS_DEVICEOWNS set.

How severe is CVE-2015-3209?

CVE-2015-3209 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2015-3209 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3209?

CVE-2015-3209 primarily affects Redhat Enterprise Linux Desktop. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-3209?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-3209 published?

CVE-2015-3209 was published on 2015-06-15 and last updated on 2026-06-17.

References

• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10698
• http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160669.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160677.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160685.html
• http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html
• http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00027.html
• http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.html
• http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00014.html
• http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00020.html
• http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00015.html
• http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00027.html
• http://rhn.redhat.com/errata/RHSA-2015-1087.html
• http://rhn.redhat.com/errata/RHSA-2015-1088.html
• http://rhn.redhat.com/errata/RHSA-2015-1089.html
• http://rhn.redhat.com/errata/RHSA-2015-1189.html
• http://www.debian.org/security/2015/dsa-3284
• http://www.debian.org/security/2015/dsa-3285
• http://www.debian.org/security/2015/dsa-3286
• http://www.securityfocus.com/bid/75123
• http://www.securitytracker.com/id/1032545
• http://www.ubuntu.com/usn/USN-2630-1
• http://xenbits.xen.org/xsa/advisory-135.html
• https://kb.juniper.net/JSA10783
• https://security.gentoo.org/glsa/201510-02
• https://security.gentoo.org/glsa/201604-03
• https://www.arista.com/en/support/advisories-notices/security-advisories/1180-security-advisory-13

Affected products (35)

• cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
• cpe:2.3:a:juniper:junos_space:*:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_eus:6.6:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
• cpe:2.3:a:redhat:openstack:5.0:*:*:*:*:*:*:*
• cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
• cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp2:*:*:*:*:*:*
• cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:*
• cpe:2.3:o:suse:linux_enterprise_desktop:12:-:*:*:*:*:*:*
• cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:ltss:*:*:*
• cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:ltss:*:*:*
• cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:ltss:*:*:*
• cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:-:*:*
• cpe:2.3:o:suse:linux_enterprise_server:12:-:*:*:*:*:*:*
• cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp3:*:*:*:*:*:*
• cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:-:*:*:*:*:*:*
• cpe:2.3:o:arista:eos:4.12:*:*:*:*:*:*:*
• cpe:2.3:o:arista:eos:4.13:*:*:*:*:*:*:*
• cpe:2.3:o:arista:eos:4.14:*:*:*:*:*:*:*
• cpe:2.3:o:arista:eos:4.15:*:*:*:*:*:*:*

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