CVE-2018-17963

CRITICAL

QEMU - Integer Overflow in net/net.c Packet Delivery

Title source: llm
STIX 2.1

Description

qemu_deliver_packet_iov in net/net.c in Qemu accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact.

References (9)

Core 9
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2018/10/08/1
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4338
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03267.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3826-1/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Mailing List, Patch, Third Party Advisory x_refsource_misc
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg06054.html
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2166
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2425
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2553

Scores

CVSS v3 9.8
EPSS 0.0145
EPSS Percentile 81.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-190
Status published
Products (13)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
debian/debian_linux 8.0
debian/debian_linux 9.0
qemu/qemu 3.1.0 rc0 (4 CPE variants)
qemu/qemu < 3.0.0
redhat/openstack 10
redhat/openstack 13
... and 3 more
Published Oct 09, 2018
Tracked Since Feb 18, 2026