Systems with microprocessors utilizing speculative execution may allow unauthorized disclosure of information to an attacker with local user access via a side-channel attack on the directional branch predictor, as demonstrated by a pattern history table (PHT), aka BranchScope.
総合評価: CVE-2018-9056 は公開エクスプロイトあり(50/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 0.12%、28 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 | 2025-03-30 | 0.29% | 0.12% | -0.16% |
| 2 | 2025-03-29 | 0.05% | 0.29% | +0.24% |
| 3 | 2023-03-07 | — | 0.05% | — |
EPSS の全履歴 (全 6 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 |
|---|---|---|---|---|---|---|
| 5.6 | 3.0 | MEDIUM |
|
1.1 | 4.0 | [email protected] |
| 4.7 | 2.0 | MEDIUM |
|
3.4 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-9056 |
suse
|
medium | CVE-2018-9056 severity moderate: SUSE including 10 source package names (kernel-default, kernel-default-base, …), 134 product×package rows across 35 product lines (SUSE CaaS Platform 4.5, SUSE Enterprise Storage 7, … (35 product lines)): Known Not Affected 134. | https://www.suse.com/security/cve/CVE-2018-9056/ |
ubuntu
|
medium | CVE-2018-9056 medium priority: Ubuntu has no source package entries, 0 status rows across 0 suites (none): no status rows. | https://ubuntu.com/security/CVE-2018-9056 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| intel | atom_c | c2308 | cpe:2.3:h:intel:atom_c:c2308:*:*:*:*:*:*:* |
| intel | atom_c | c2316 | cpe:2.3:h:intel:atom_c:c2316:*:*:*:*:*:*:* |
| intel | atom_c | c2338 | cpe:2.3:h:intel:atom_c:c2338:*:*:*:*:*:*:* |
| intel | atom_c | c2350 | cpe:2.3:h:intel:atom_c:c2350:*:*:*:*:*:*:* |
| intel | atom_c | c2358 | cpe:2.3:h:intel:atom_c:c2358:*:*:*:*:*:*:* |
| intel | atom_c | c2508 | cpe:2.3:h:intel:atom_c:c2508:*:*:*:*:*:*:* |
| intel | atom_c | c2516 | cpe:2.3:h:intel:atom_c:c2516:*:*:*:*:*:*:* |
| intel | atom_c | c2518 | cpe:2.3:h:intel:atom_c:c2518:*:*:*:*:*:*:* |
| intel | atom_c | c2530 | cpe:2.3:h:intel:atom_c:c2530:*:*:*:*:*:*:* |
| intel | atom_c | c2538 | cpe:2.3:h:intel:atom_c:c2538:*:*:*:*:*:*:* |
| intel | atom_c | c2550 | cpe:2.3:h:intel:atom_c:c2550:*:*:*:*:*:*:* |
| intel | atom_c | c2558 | cpe:2.3:h:intel:atom_c:c2558:*:*:*:*:*:*:* |
| intel | atom_c | c2718 | cpe:2.3:h:intel:atom_c:c2718:*:*:*:*:*:*:* |
| intel | atom_c | c2730 | cpe:2.3:h:intel:atom_c:c2730:*:*:*:*:*:*:* |
| intel | atom_c | c2738 | cpe:2.3:h:intel:atom_c:c2738:*:*:*:*:*:*:* |
| intel | atom_c | c2750 | cpe:2.3:h:intel:atom_c:c2750:*:*:*:*:*:*:* |
| intel | atom_c | c2758 | cpe:2.3:h:intel:atom_c:c2758:*:*:*:*:*:*:* |
| intel | atom_c | c3308 | cpe:2.3:h:intel:atom_c:c3308:*:*:*:*:*:*:* |
| intel | atom_c | c3338 | cpe:2.3:h:intel:atom_c:c3338:*:*:*:*:*:*:* |
| intel | atom_c | c3508 | cpe:2.3:h:intel:atom_c:c3508:*:*:*:*:*:*:* |
| intel | atom_c | c3538 | cpe:2.3:h:intel:atom_c:c3538:*:*:*:*:*:*:* |
| intel | atom_c | c3558 | cpe:2.3:h:intel:atom_c:c3558:*:*:*:*:*:*:* |
| intel | atom_c | c3708 | cpe:2.3:h:intel:atom_c:c3708:*:*:*:*:*:*:* |
| intel | atom_c | c3750 | cpe:2.3:h:intel:atom_c:c3750:*:*:*:*:*:*:* |
| intel | atom_c | c3758 | cpe:2.3:h:intel:atom_c:c3758:*:*:*:*:*:*:* |
| intel | atom_c | c3808 | cpe:2.3:h:intel:atom_c:c3808:*:*:*:*:*:*:* |
| intel | atom_c | c3830 | cpe:2.3:h:intel:atom_c:c3830:*:*:*:*:*:*:* |
| intel | atom_c | c3850 | cpe:2.3:h:intel:atom_c:c3850:*:*:*:*:*:*:* |
| intel | atom_c | c3858 | cpe:2.3:h:intel:atom_c:c3858:*:*:*:*:*:*:* |
| intel | atom_c | c3950 | cpe:2.3:h:intel:atom_c:c3950:*:*:*:*:*:*:* |
| intel | atom_c | c3955 | cpe:2.3:h:intel:atom_c:c3955:*:*:*:*:*:*:* |
| intel | atom_c | c3958 | cpe:2.3:h:intel:atom_c:c3958:*:*:*:*:*:*:* |
| intel | atom_e | e3805 | cpe:2.3:h:intel:atom_e:e3805:*:*:*:*:*:*:* |
| intel | atom_e | e3815 | cpe:2.3:h:intel:atom_e:e3815:*:*:*:*:*:*:* |
| intel | atom_e | e3825 | cpe:2.3:h:intel:atom_e:e3825:*:*:*:*:*:*:* |
| intel | atom_e | e3826 | cpe:2.3:h:intel:atom_e:e3826:*:*:*:*:*:*:* |
| intel | atom_e | e3827 | cpe:2.3:h:intel:atom_e:e3827:*:*:*:*:*:*:* |
| intel | atom_e | e3845 | cpe:2.3:h:intel:atom_e:e3845:*:*:*:*:*:*:* |
| intel | atom_x3 | c3130 | cpe:2.3:h:intel:atom_x3:c3130:*:*:*:*:*:*:* |
| intel | atom_x3 | c3200rk | cpe:2.3:h:intel:atom_x3:c3200rk:*:*:*:*:*:*:* |
| intel | atom_x3 | c3205rk | cpe:2.3:h:intel:atom_x3:c3205rk:*:*:*:*:*:*:* |
| intel | atom_x3 | c3230rk | cpe:2.3:h:intel:atom_x3:c3230rk:*:*:*:*:*:*:* |
| intel | atom_x3 | c3235rk | cpe:2.3:h:intel:atom_x3:c3235rk:*:*:*:*:*:*:* |
| intel | atom_x3 | c3265rk | cpe:2.3:h:intel:atom_x3:c3265rk:*:*:*:*:*:*:* |
| intel | atom_x3 | c3295rk | cpe:2.3:h:intel:atom_x3:c3295rk:*:*:*:*:*:*:* |
| intel | atom_x3 | c3405 | cpe:2.3:h:intel:atom_x3:c3405:*:*:*:*:*:*:* |
| intel | atom_x3 | c3445 | cpe:2.3:h:intel:atom_x3:c3445:*:*:*:*:*:*:* |
| intel | atom_z | z2420 | cpe:2.3:h:intel:atom_z:z2420:*:*:*:*:*:*:* |
| intel | atom_z | z2460 | cpe:2.3:h:intel:atom_z:z2460:*:*:*:*:*:*:* |
| intel | atom_z | z2480 | cpe:2.3:h:intel:atom_z:z2480:*:*:*:*:*:*:* |
| intel | atom_z | z2520 | cpe:2.3:h:intel:atom_z:z2520:*:*:*:*:*:*:* |
| intel | atom_z | z2560 | cpe:2.3:h:intel:atom_z:z2560:*:*:*:*:*:*:* |
| intel | atom_z | z2580 | cpe:2.3:h:intel:atom_z:z2580:*:*:*:*:*:*:* |
| intel | atom_z | z2760 | cpe:2.3:h:intel:atom_z:z2760:*:*:*:*:*:*:* |
| intel | atom_z | z3460 | cpe:2.3:h:intel:atom_z:z3460:*:*:*:*:*:*:* |
| intel | atom_z | z3480 | cpe:2.3:h:intel:atom_z:z3480:*:*:*:*:*:*:* |
| intel | atom_z | z3530 | cpe:2.3:h:intel:atom_z:z3530:*:*:*:*:*:*:* |
| intel | atom_z | z3560 | cpe:2.3:h:intel:atom_z:z3560:*:*:*:*:*:*:* |
| intel | atom_z | z3570 | cpe:2.3:h:intel:atom_z:z3570:*:*:*:*:*:*:* |
| intel | atom_z | z3580 | cpe:2.3:h:intel:atom_z:z3580:*:*:*:*:*:*:* |
| intel | atom_z | z3590 | cpe:2.3:h:intel:atom_z:z3590:*:*:*:*:*:*:* |
| intel | atom_z | z3735d | cpe:2.3:h:intel:atom_z:z3735d:*:*:*:*:*:*:* |
| intel | atom_z | z3735e | cpe:2.3:h:intel:atom_z:z3735e:*:*:*:*:*:*:* |
| intel | atom_z | z3735f | cpe:2.3:h:intel:atom_z:z3735f:*:*:*:*:*:*:* |
| intel | atom_z | z3735g | cpe:2.3:h:intel:atom_z:z3735g:*:*:*:*:*:*:* |
| intel | atom_z | z3736f | cpe:2.3:h:intel:atom_z:z3736f:*:*:*:*:*:*:* |
| intel | atom_z | z3736g | cpe:2.3:h:intel:atom_z:z3736g:*:*:*:*:*:*:* |
| intel | atom_z | z3740 | cpe:2.3:h:intel:atom_z:z3740:*:*:*:*:*:*:* |
| intel | atom_z | z3740d | cpe:2.3:h:intel:atom_z:z3740d:*:*:*:*:*:*:* |
| intel | atom_z | z3745 | cpe:2.3:h:intel:atom_z:z3745:*:*:*:*:*:*:* |
| intel | atom_z | z3745d | cpe:2.3:h:intel:atom_z:z3745d:*:*:*:*:*:*:* |
| intel | atom_z | z3770 | cpe:2.3:h:intel:atom_z:z3770:*:*:*:*:*:*:* |
| intel | atom_z | z3770d | cpe:2.3:h:intel:atom_z:z3770d:*:*:*:*:*:*:* |
| intel | atom_z | z3775 | cpe:2.3:h:intel:atom_z:z3775:*:*:*:*:*:*:* |
| intel | atom_z | z3775d | cpe:2.3:h:intel:atom_z:z3775d:*:*:*:*:*:*:* |
| intel | atom_z | z3785 | cpe:2.3:h:intel:atom_z:z3785:*:*:*:*:*:*:* |
| intel | atom_z | z3795 | cpe:2.3:h:intel:atom_z:z3795:*:*:*:*:*:*:* |
| intel | celeron_j | j1750 | cpe:2.3:h:intel:celeron_j:j1750:*:*:*:*:*:*:* |
| intel | celeron_j | j1800 | cpe:2.3:h:intel:celeron_j:j1800:*:*:*:*:*:*:* |
| intel | celeron_j | j1850 | cpe:2.3:h:intel:celeron_j:j1850:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://www.cs.ucr.edu/~nael/pubs/asplos18.pdf | Exploit Third Party Advisory |
| https://arstechnica.com/gadgets/2018/03/its-not-just-spectre-researchers-reveal-more-branch-prediction-attacks/ | Third Party Advisory |