Severity
9.8CRITICAL
EPSS
1.5%
top 18.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 9
Latest updateMay 13

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages5 packages

Debianqemu< 1:3.1+dfsg-1+3
NVDqemu/qemu3.0.0+1
NVDredhat/openstack10, 13, 14+2

Also affects: Debian Linux 8.0, 9.0, Ubuntu Linux 14.04, 16.04, 18.04, 18.10

Patches

🔴Vulnerability Details

3
GHSA
GHSA-8mrp-f43f-c35w: qemu_deliver_packet_iov in net/net2022-05-13
OSV
CVE-2018-17963: qemu_deliver_packet_iov in net/net2018-10-09
CVEList
CVE-2018-17963: qemu_deliver_packet_iov in net/net2018-10-09

📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities2018-11-26
Red Hat
QEMU: net: ignore packets with large size2018-05-21
Debian
CVE-2018-17963: qemu - qemu_deliver_packet_iov in net/net.c in Qemu accepts packet sizes greater than I...2018

💬Community

3
Bugzilla
CVE-2018-17963 xen: QEMU: net: ignore packets with large size [fedora-all]2018-10-07
Bugzilla
CVE-2018-17963 QEMU: net: ignore packets with large size2018-10-07
Bugzilla
CVE-2018-17963 qemu: net: ignore packets with large size [fedora-all]2018-10-07