CVEvulnerability
CVE-2020-35498
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-02-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-400
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.
Affected configurations
• openvswitch openvswitch (>= 2.5.0 < 2.5.12)
• openvswitch openvswitch (>= 2.6.0 < 2.6.10)
• openvswitch openvswitch (>= 2.7.0 < 2.7.13)
• openvswitch openvswitch (>= 2.8.0 < 2.8.11)
• openvswitch openvswitch (>= 2.9.0 < 2.9.9)
• openvswitch openvswitch (>= 2.10.0 < 2.10.7)
• openvswitch openvswitch (>= 2.11.0 < 2.11.6)
• openvswitch openvswitch (>= 2.12.0 < 2.12.3)
• openvswitch openvswitch (>= 2.13.0 < 2.13.3)
• openvswitch openvswitch (>= 2.14.0 < 2.14.2)
• debian debian linux 9.0
• debian debian linux 10.0
• fedoraproject fedora 33
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1908845 Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00032.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202311-16 security.gentoo.org
- https://www.debian.org/security/2021/dsa-4852 Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/02/10/4 Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1908845 Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00032.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202311-16 security.gentoo.org
- https://www.debian.org/security/2021/dsa-4852 Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/02/10/4 Mailing List, Patch, Third Party Advisory