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Vulnerabilities / CVE-2015-7512

critical

CVE-2015-7512

Qemu: net: pcnet: buffer overflow in non-loopback mode

Published Modified CWE 120
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Red Hat7.6AV:N/AC:H/Au:N/C:C/I:C/A:C

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (high), Oracle (high), Ubuntu (medium).

Description

Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.

Affected packages and fixed versions

SourcePackageFixed in
debian 11qemu1:2.5+dfsg-1
debian 12qemu1:2.5+dfsg-1
debian 13qemu1:2.5+dfsg-1
debian 14qemu1:2.5+dfsg-1
debian 7qemu, qemu-kvm1.1.2+dfsg-6a+deb7u12 and 1 more
debian 8qemu1:2.1+dfsg-12+deb8u5a
echoqemu1:2.5+dfsg-1
Oracle Linux 6qemu-guest-agent, qemu-img, qemu-kvm and 1 more2:0.12.1.2-2.479.el6_7.3
ubuntu 12.04qemu-kvm1.0+noroms-0ubuntu14.26
ubuntu 14.04qemu2.0.0+dfsg-2ubuntu1.21
ubuntu 14.04-ESMqemu2.0.0+dfsg-2ubuntu1.21
ubuntu 15.04qemu1:2.2+dfsg-5expubuntu9.7
Show all 17 entries from 13 sources
SourcePackageFixed in
debian 11qemu1:2.5+dfsg-1
debian 12qemu1:2.5+dfsg-1
debian 13qemu1:2.5+dfsg-1
debian 14qemu1:2.5+dfsg-1
debian 7qemu1.1.2+dfsg-6a+deb7u12
debian 7qemu-kvm1.1.2+dfsg-6+deb7u12
debian 8qemu1:2.1+dfsg-12+deb8u5a
echoqemu1:2.5+dfsg-1
Oracle Linux 6qemu-guest-agent2:0.12.1.2-2.479.el6_7.3
Oracle Linux 6qemu-img2:0.12.1.2-2.479.el6_7.3
Oracle Linux 6qemu-kvm2:0.12.1.2-2.479.el6_7.3
Oracle Linux 6qemu-kvm-tools2:0.12.1.2-2.479.el6_7.3
ubuntu 12.04qemu-kvm1.0+noroms-0ubuntu14.26
ubuntu 14.04qemu2.0.0+dfsg-2ubuntu1.21
ubuntu 14.04-ESMqemu2.0.0+dfsg-2ubuntu1.21
ubuntu 15.04qemu1:2.2+dfsg-5expubuntu9.7
ubuntu 15.10qemu1:2.3+dfsg-5ubuntu9.1

References

All 19 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.