CVE-2015-7295

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-11-09 · updated 2026-06-17
Weakness: CWE-119

Description

hw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receive buffers are not supported, allows remote attackers to cause a denial of service (guest network consumption) via a flood of jumbo frames on the (1) tuntap or (2) macvtap interface.

Affected products

Debian Linux: 7.0, 8.0
Fedoraproject Fedora: 21, 22
QEMU: through 2.4.1

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169624.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169767.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169802.html
http://www.debian.org/security/2016/dsa-3469
http://www.debian.org/security/2016/dsa-3470
http://www.debian.org/security/2016/dsa-3471
http://www.openwall.com/lists/oss-security/2015/09/18/5
http://www.openwall.com/lists/oss-security/2015/09/18/9
http://www.securityfocus.com/bid/82672
https://security.gentoo.org/glsa/201602-01
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169624.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169767.html

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