Vulnerabilities > CVE-2020-35498
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1908845
- https://bugzilla.redhat.com/show_bug.cgi?id=1908845
- https://lists.debian.org/debian-lts-announce/2021/02/msg00032.html
- https://lists.debian.org/debian-lts-announce/2021/02/msg00032.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/
- https://security.gentoo.org/glsa/202311-16
- https://security.gentoo.org/glsa/202311-16
- https://www.debian.org/security/2021/dsa-4852
- https://www.debian.org/security/2021/dsa-4852
- https://www.openwall.com/lists/oss-security/2021/02/10/4
- https://www.openwall.com/lists/oss-security/2021/02/10/4