A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled.
総合評価: CVE-2023-3966 は中リスク(51.8/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 1.04%、59 パーセンタイル) 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.05% | 1.04% | +1.00% |
| 2 | 2026-01-27 | 0.06% | 0.05% | -0.01% |
| 3 | 2026-01-25 | — | 0.06% | — |
EPSS の全履歴 (全 20 件)
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2023-3966: 1 source package rows (openvswitch); 27 state rows across 5 repos (3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 10, open 17. | https://security.alpinelinux.org/vuln/CVE-2023-3966 |
debian
|
not yet assigned | CVE-2023-3966 not yet assigned priority: Debian including 1 source packages (openvswitch), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2023-3966 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2023-3966 |
suse
|
high | CVE-2023-3966 severity important: SUSE including 160 source package names (latest:selinux-policy-20230523+git27.6fee49569-1.1, latest:selinux-policy-targeted-20230523+git27.6fee49569-1.1, …), 567 product×package rows across 60 product lines (Container suse/sl-micro/6.0/baremetal-os-container, Image SLE-Micro, … (60 product lines)): Fixed 531, Known Not Affected 36. | https://www.suse.com/security/cve/CVE-2023-3966/ |
ubuntu
|
medium | CVE-2023-3966 medium priority: Ubuntu including 1 source packages (openvswitch), 8 status rows across 8 suites (bionic, focal, jammy, mantic, noble, trusty, upstream, xenial): released 5, not-affected 2, ignored 1. | https://ubuntu.com/security/CVE-2023-3966 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| openvswitch | openvswitch | < 3.1.0 | cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* |
| fedoraproject | fedora | 39 | cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* |
| fedoraproject | fedora | 40 | cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:* |