The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might allow guest OS users to execute arbitrary code on the host OS by triggering use of an invalid index.
総合評価: CVE-2015-3214 は悪用リスクが高い（71.3/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 1.59%、81 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 |
|---|---|---|---|---|
| 37990 | exploit_db | edb | 2015-08-27 | 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 | 2025-12-01 | 1.32% | 1.59% | +0.27% |
| 2 | 2025-10-22 | 1.47% | 1.32% | -0.15% |
| 3 | 2025-05-31 | — | 1.47% | — |
EPSS の全履歴 （全 12 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 |
|---|---|---|---|---|---|---|
| 6.9 | 2.0 | MEDIUM |
|
3.4 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2015-3214 unimportant priority: Debian including 3 source packages (linux, qemu, xen), 15 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 15. | https://security-tracker.debian.org/tracker/CVE-2015-3214 |
gentoo
|
normal | CVE-2015-3214: 1 GLSA(s) (201510-02), 1 atom(s) (app-emulation/qemu); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-3214 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2015-3214 |
ubuntu
|
low | CVE-2015-3214 low priority: Ubuntu including 2 source packages (qemu, qemu-kvm), 10 status rows across 5 suites (precise, trusty, upstream, utopic, vivid): DNE 4, needs-triage 2, released 2, ignored 1, not-affected 1. | https://ubuntu.com/security/CVE-2015-3214 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| qemu | qemu | <= 2.3.0 | cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* |
| linux | linux_kernel | <= 2.6.32 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| arista | eos | 4.12 | cpe:2.3:o:arista:eos:4.12:*:*:*:*:*:*:* |
| arista | eos | 4.13 | cpe:2.3:o:arista:eos:4.13:*:*:*:*:*:*:* |
| arista | eos | 4.14 | cpe:2.3:o:arista:eos:4.14:*:*:*:*:*:*:* |
| arista | eos | 4.15 | cpe:2.3:o:arista:eos:4.15:*:*:*:*:*:*:* |
| debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| lenovo | emc_px12-400r_ivx | < 1.0.10.33264 | cpe:2.3:o:lenovo:emc_px12-400r_ivx:*:*:*:*:*:*:*:* |
| lenovo | emc_px12-450r_ivx | < 1.0.10.33264 | cpe:2.3:o:lenovo:emc_px12-450r_ivx:*:*:*:*:*:*:*:* |
| redhat | openstack | 5.0 | cpe:2.3:a:redhat:openstack:5.0:*:*:*:*:*:*:* |
| redhat | openstack | 6.0 | cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:* |
| redhat | virtualization | 3.0 | cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_compute_node_eus | 7.1 | cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.1:*:*:*:*:*:*:* |
| redhat | enterprise_linux_compute_node_eus | 7.2 | cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_compute_node_eus | 7.3 | cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux_compute_node_eus | 7.4 | cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_compute_node_eus | 7.5 | cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.5:*:*:*:*:*:*:* |
| redhat | enterprise_linux_compute_node_eus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_compute_node_eus | 7.7 | cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.7:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_big_endian | 7.0 | cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_big_endian_eus | 7.1_ppc64 | cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.1_ppc64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_big_endian_eus | 7.2_ppc64 | cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.2_ppc64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_big_endian_eus | 7.3_ppc64 | cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.3_ppc64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_big_endian_eus | 7.4_ppc64 | cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.4_ppc64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_big_endian_eus | 7.5_ppc64 | cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.5_ppc64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_big_endian_eus | 7.6_ppc64 | cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.6_ppc64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_big_endian_eus | 7.7_ppc64 | cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.7_ppc64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_scientific_computing | 7.0 | cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 7.0 | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.3 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.4 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.7 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_eus | 7.1 | cpe:2.3:o:redhat:enterprise_linux_server_eus:7.1:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_eus | 7.2 | cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_eus | 7.3 | cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_eus | 7.4 | cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_eus | 7.5 | cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_eus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_eus | 7.7 | cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_from_rhui | 7.0 | cpe:2.3:o:redhat:enterprise_linux_server_from_rhui:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 7.3 | cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 7.7 | cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_update_services_for_sap_solutions | 7.2 | cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_update_services_for_sap_solutions | 7.3 | cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_update_services_for_sap_solutions | 7.4 | cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_update_services_for_sap_solutions | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_update_services_for_sap_solutions | 7.7 | cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.7:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 7.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* |