Source: openvswitch X-Debbugs-CC: t...@security.debian.org Severity: important Tags: security
Hi, The following vulnerability was published for openvswitch. CVE-2019-25076[0]: | The TSS (Tuple Space Search) algorithm in Open vSwitch 2.x through | 2.17.2 and 3.0.0 allows remote attackers to cause a denial of service | (delays of legitimate traffic) via crafted packet data that requires | excessive evaluation time within the packet classification algorithm | for the MegaFlow cache, aka a Tuple Space Explosion (TSE) attack. https://arxiv.org/abs/2011.09107 https://sites.google.com/view/tuple-space-explosion https://dl.acm.org/doi/10.1145/3359989.3365431 https://www.youtube.com/watch?v=5cHpzVK0D28 https://www.youtube.com/watch?v=DSC3m-Bww64 If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2019-25076 https://www.cve.org/CVERecord?id=CVE-2019-25076 Please adjust the affected versions in the BTS as needed.
