An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
総合評価: CVE-2023-20593 は悪用リスクが高い（66.4/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 5.79%、92 パーセンタイル） 根拠: 公開エクスプロイトが 1 件参照されています（Exploit-DB）。 推奨対応: 公開エクスプロイトが確認されています。影響範囲の確認、緩和策の適用、パッチ適用を優先してください。
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。
| EDB-ID | ソース | 種別 | 公開 | リンク |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 8.63% | 5.79% | -2.83% |
| 2 | 2026-06-11 | 8.44% | 8.63% | +0.19% |
| 3 | 2026-05-29 | — | 8.44% | — |
EPSS の全履歴 （全 39 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 |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2023-20593: 1 source package rows (xen); 63 state rows across 7 repos (3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 7, open 56. | https://security.alpinelinux.org/vuln/CVE-2023-20593 |
debian
|
not yet assigned | CVE-2023-20593 not yet assigned priority: Debian including 2 source packages (amd64-microcode, linux), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. | https://security-tracker.debian.org/tracker/CVE-2023-20593 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2023-20593 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2023-20593/ |
ubuntu
|
high | CVE-2023-20593 high priority: Ubuntu including 169 source packages (amd64-microcode, linux, …), 1996 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 1512, released 250, not-affected 127, ignored 105, needed 2. | https://ubuntu.com/security/CVE-2023-20593 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| xen | xen | 4.14.0 | cpe:2.3:o:xen:xen:4.14.0:*:*:*:*:*:x86:* |
| xen | xen | 4.15.0 | cpe:2.3:o:xen:xen:4.15.0:*:*:*:*:*:x86:* |
| xen | xen | 4.16.0 | cpe:2.3:o:xen:xen:4.16.0:*:*:*:*:*:x86:* |
| xen | xen | 4.17.0 | cpe:2.3:o:xen:xen:4.17.0:*:*:*:*:*:x86:* |
| debian | debian_linux | 10.0 | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
| debian | debian_linux | 11.0 | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
| debian | debian_linux | 12.0 | cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* |
| amd | ryzen_3_3100_firmware | — | cpe:2.3:o:amd:ryzen_3_3100_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_3_3300x_firmware | — | cpe:2.3:o:amd:ryzen_3_3300x_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_5_3500_firmware | — | cpe:2.3:o:amd:ryzen_5_3500_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_5_3500x_firmware | — | cpe:2.3:o:amd:ryzen_5_3500x_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_5_3600_firmware | — | cpe:2.3:o:amd:ryzen_5_3600_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_5_3600x_firmware | — | cpe:2.3:o:amd:ryzen_5_3600x_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_5_3600xt_firmware | — | cpe:2.3:o:amd:ryzen_5_3600xt_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_7_3700x_firmware | — | cpe:2.3:o:amd:ryzen_7_3700x_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_7_3800x_firmware | — | cpe:2.3:o:amd:ryzen_7_3800x_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_7_3800xt_firmware | — | cpe:2.3:o:amd:ryzen_7_3800xt_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_9_3900_firmware | — | cpe:2.3:o:amd:ryzen_9_3900_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_9_3900x_firmware | — | cpe:2.3:o:amd:ryzen_9_3900x_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_9_3900xt_firmware | — | cpe:2.3:o:amd:ryzen_9_3900xt_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_9_3950x_firmware | — | cpe:2.3:o:amd:ryzen_9_3950x_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_9_pro_3900_firmware | — | cpe:2.3:o:amd:ryzen_9_pro_3900_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_threadripper_pro_3995wx_firmware | — | cpe:2.3:o:amd:ryzen_threadripper_pro_3995wx_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_threadripper_pro_3975wx_firmware | — | cpe:2.3:o:amd:ryzen_threadripper_pro_3975wx_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_threadripper_pro_3955wx_firmware | — | cpe:2.3:o:amd:ryzen_threadripper_pro_3955wx_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_threadripper_pro_3945wx_firmware | — | cpe:2.3:o:amd:ryzen_threadripper_pro_3945wx_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_threadripper_3990x_firmware | — | cpe:2.3:o:amd:ryzen_threadripper_3990x_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_threadripper_3970x_firmware | — | cpe:2.3:o:amd:ryzen_threadripper_3970x_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_threadripper_3960x_firmware | — | cpe:2.3:o:amd:ryzen_threadripper_3960x_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_7_4700g_firmware | — | cpe:2.3:o:amd:ryzen_7_4700g_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_7_4700ge_firmware | — | cpe:2.3:o:amd:ryzen_7_4700ge_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_5_4600g_firmware | — | cpe:2.3:o:amd:ryzen_5_4600g_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_5_4600ge_firmware | — | cpe:2.3:o:amd:ryzen_5_4600ge_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_3_4300g_firmware | — | cpe:2.3:o:amd:ryzen_3_4300g_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_3_4300ge_firmware | — | cpe:2.3:o:amd:ryzen_3_4300ge_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_3_pro_4450u_firmware | — | cpe:2.3:o:amd:ryzen_3_pro_4450u_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_3_pro_4350ge_firmware | — | cpe:2.3:o:amd:ryzen_3_pro_4350ge_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_3_pro_4350g_firmware | — | cpe:2.3:o:amd:ryzen_3_pro_4350g_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_3_pro_4200g_firmware | — | cpe:2.3:o:amd:ryzen_3_pro_4200g_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_5_pro_4650ge_firmware | — | cpe:2.3:o:amd:ryzen_5_pro_4650ge_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_5_pro_4650g_firmware | — | cpe:2.3:o:amd:ryzen_5_pro_4650g_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_5_pro_4400g_firmware | — | cpe:2.3:o:amd:ryzen_5_pro_4400g_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_7_pro_4750u_firmware | — | cpe:2.3:o:amd:ryzen_7_pro_4750u_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_7_pro_4750ge_firmware | — | cpe:2.3:o:amd:ryzen_7_pro_4750ge_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_7_pro_4750g_firmware | — | cpe:2.3:o:amd:ryzen_7_pro_4750g_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_7_5700u_firmware | — | cpe:2.3:o:amd:ryzen_7_5700u_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_5_5500u_firmware | — | cpe:2.3:o:amd:ryzen_5_5500u_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_3_5300u_firmware | — | cpe:2.3:o:amd:ryzen_3_5300u_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_5_7520u_firmware | — | cpe:2.3:o:amd:ryzen_5_7520u_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_3_7320u_firmware | — | cpe:2.3:o:amd:ryzen_3_7320u_firmware:-:*:*:*:*:*:*:* |
| amd | athlon_gold_7220u_firmware | — | cpe:2.3:o:amd:athlon_gold_7220u_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7232p_firmware | — | cpe:2.3:o:amd:epyc_7232p_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7302p_firmware | — | cpe:2.3:o:amd:epyc_7302p_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7402p_firmware | — | cpe:2.3:o:amd:epyc_7402p_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7502p_firmware | — | cpe:2.3:o:amd:epyc_7502p_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7702p_firmware | — | cpe:2.3:o:amd:epyc_7702p_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7252_firmware | — | cpe:2.3:o:amd:epyc_7252_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7262_firmware | — | cpe:2.3:o:amd:epyc_7262_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7272_firmware | — | cpe:2.3:o:amd:epyc_7272_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7282_firmware | — | cpe:2.3:o:amd:epyc_7282_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7302_firmware | — | cpe:2.3:o:amd:epyc_7302_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7352_firmware | — | cpe:2.3:o:amd:epyc_7352_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7402_firmware | — | cpe:2.3:o:amd:epyc_7402_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7452_firmware | — | cpe:2.3:o:amd:epyc_7452_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7502_firmware | — | cpe:2.3:o:amd:epyc_7502_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7532_firmware | — | cpe:2.3:o:amd:epyc_7532_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7542_firmware | — | cpe:2.3:o:amd:epyc_7542_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7552_firmware | — | cpe:2.3:o:amd:epyc_7552_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7642_firmware | — | cpe:2.3:o:amd:epyc_7642_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7662_firmware | — | cpe:2.3:o:amd:epyc_7662_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7702_firmware | — | cpe:2.3:o:amd:epyc_7702_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7742_firmware | — | cpe:2.3:o:amd:epyc_7742_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7h12_firmware | — | cpe:2.3:o:amd:epyc_7h12_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7f32_firmware | — | cpe:2.3:o:amd:epyc_7f32_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7f52_firmware | — | cpe:2.3:o:amd:epyc_7f52_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_7f72_firmware | — | cpe:2.3:o:amd:epyc_7f72_firmware:-:*:*:*:*:*:*:* |