A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.
[
{
"vendor": "n/a",
"product": "openvswitch",
"versions": [
{
"version": "openvswitch 2.5.12, openvswitch 2.6.10, openvswitch 2.7.13, openvswitch 2.8.11, openvswitch 2.9.9, openvswitch 2.10.7, openvswitch 2.11.6, openvswitch 2.12.3, openvswitch 2.13.3, openvswitch 2.14.2",
"status": "affected"
}
]
}
]
bugzilla.redhat.com/show_bug.cgi?id=1908845
lists.debian.org/debian-lts-announce/2021/02/msg00032.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/
security.gentoo.org/glsa/202311-16
www.debian.org/security/2021/dsa-4852
www.openwall.com/lists/oss-security/2021/02/10/4