| Title | openvswitch におけるリソースの枯渇に関する脆弱性 |
|---|---|
| Summary | openvswitch には、リソースの枯渇に関する脆弱性が存在します。 |
| Possible impacts | サービス運用妨害 (DoS) 状態にされる可能性があります。 |
| Solution | ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。 |
| Publication Date | Dec. 17, 2020, midnight |
| Registration Date | Nov. 2, 2021, 5:58 p.m. |
| Last Update | Nov. 2, 2021, 5:58 p.m. |
| CVSS3.0 : 重要 | |
| Score | 7.5 |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CVSS2.0 : 危険 | |
| Score | 7.8 |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:C |
| Debian |
| Debian GNU/Linux |
| Fedora Project |
| Fedora |
| Open vSwitch |
| Open vSwitch |
| No | Changed Details | Date of change |
|---|---|---|
| 1 | [2021年11月02日] 掲載 |
Nov. 2, 2021, 5:58 p.m. |
| 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. |
|---|---|
| Publication Date | Feb. 12, 2021, 3:15 a.m. |
| Registration Date | Feb. 12, 2021, 10:01 a.m. |
| Last Update | Nov. 21, 2024, 2:27 p.m. |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 2.14.0 | 2.14.2 | |||
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 2.13.0 | 2.13.3 | |||
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 2.12.0 | 2.12.3 | |||
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 2.11.0 | 2.11.6 | |||
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 2.10.0 | 2.10.7 | |||
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 2.9.0 | 2.9.9 | |||
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 2.8.0 | 2.8.11 | |||
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 2.7.0 | 2.7.13 | |||
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 2.6.0 | 2.6.10 | |||
| cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* | 2.5.0 | 2.5.12 | |||
| Configuration2 | or higher | or less | more than | less than | |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | |||||
| Configuration3 | or higher | or less | more than | less than | |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | |||||