High severity7.5NVD Advisory· Published Feb 11, 2021· Updated Jun 17, 2026
CVE-2020-35498
CVE-2020-35498
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
43cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*range: >=2.5.0,<2.5.12
- (no CPE)
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- openvswitch/openvswitchdescription
- osv-coords37 versionspkg:rpm/opensuse/openvswitch&distro=openSUSE%20Leap%2015.2pkg:rpm/suse/openvswitch&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/openvswitch&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/openvswitch&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP2pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP2pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/openvswitch&distro=SUSE%20Manager%20Proxy%204.0pkg:rpm/suse/openvswitch&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0pkg:rpm/suse/openvswitch&distro=SUSE%20Manager%20Server%204.0pkg:rpm/suse/openvswitch&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/openvswitch&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/openvswitch&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/openvswitch&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/openvswitch&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/openvswitch-dpdk&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/openvswitch-dpdk&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/openvswitch-dpdk&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/openvswitch-dpdk&distro=SUSE%20OpenStack%20Cloud%207
< 2.13.2-lp152.3.12.1+ 36 more
- (no CPE)range: < 2.13.2-lp152.3.12.1
- (no CPE)range: < 2.7.12-3.39.1
- (no CPE)range: < 2.7.12-3.39.1
- (no CPE)range: < 2.11.5-3.15.3
- (no CPE)range: < 2.11.5-3.15.3
- (no CPE)range: < 2.11.5-3.15.3
- (no CPE)range: < 2.11.5-6.33.3
- (no CPE)range: < 2.11.5-6.33.3
- (no CPE)range: < 2.13.2-9.14.1
- (no CPE)range: < 2.13.2-9.14.1
- (no CPE)range: < 2.5.11-25.29.1
- (no CPE)range: < 2.5.11-25.29.1
- (no CPE)range: < 2.7.12-3.39.1
- (no CPE)range: < 2.7.12-3.39.1
- (no CPE)range: < 2.8.10-4.26.1
- (no CPE)range: < 2.11.5-3.9.1
- (no CPE)range: < 2.11.5-3.15.3
- (no CPE)range: < 2.11.5-3.15.3
- (no CPE)range: < 2.11.5-6.33.3
- (no CPE)range: < 2.5.11-25.29.1
- (no CPE)range: < 2.7.12-3.39.1
- (no CPE)range: < 2.8.10-4.26.1
- (no CPE)range: < 2.11.5-3.9.1
- (no CPE)range: < 2.11.5-6.33.3
- (no CPE)range: < 2.11.5-3.15.3
- (no CPE)range: < 2.11.5-3.15.3
- (no CPE)range: < 2.11.5-3.15.3
- (no CPE)range: < 2.11.5-3.15.3
- (no CPE)range: < 2.5.11-25.29.1
- (no CPE)range: < 2.7.12-3.39.1
- (no CPE)range: < 2.8.10-4.26.1
- (no CPE)range: < 2.7.12-3.39.1
- (no CPE)range: < 2.8.10-4.26.1
- (no CPE)range: < 2.5.11-25.29.1
- (no CPE)range: < 2.5.11-25.29.1
- (no CPE)range: < 2.5.11-25.29.1
- (no CPE)range: < 2.5.11-25.29.1
Patches
Vulnerability mechanics
References
6- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2021/02/10/4nvdMailing ListPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/02/msg00032.htmlnvdMailing ListThird Party Advisory
- www.debian.org/security/2021/dsa-4852nvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/nvd
- security.gentoo.org/glsa/202311-16nvd
News mentions
0No linked articles in our index yet.