Microarchitectural Load Port Data Sampling (MLPDS): Load ports on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf
総合評価: CVE-2018-12127 は中リスク（45.8/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 0.52%、67 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 | 2026-05-30 | 0.59% | 0.52% | -0.07% |
| 2 | 2026-05-18 | 0.49% | 0.59% | +0.10% |
| 3 | 2026-03-18 | — | 0.49% | — |
EPSS の全履歴 （全 13 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 | 3.1 | MEDIUM |
|
1.1 | 4.0 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 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 |
|---|---|---|---|
alpine
|
medium | CVE-2018-12127: 1 source package rows (xen); 10 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 10, open 0. | https://security.alpinelinux.org/vuln/CVE-2018-12127 |
debian
|
not yet assigned | CVE-2018-12127 not yet assigned priority: Debian including 3 source packages (intel-microcode, linux, xen), 15 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 15. | https://security-tracker.debian.org/tracker/CVE-2018-12127 |
gentoo
|
high | CVE-2018-12127: 1 GLSA(s) (202003-56), 2 atom(s) (app-emulation/xen, app-emulation/xen-tools); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2018-12127 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-12127 |
suse
|
medium | CVE-2018-12127 severity moderate: SUSE including 2054 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 4459 product×package rows across 137 product lines (HPE Helion OpenStack 8, SLES for SAP Applications 11 SP3, … (137 product lines)): Fixed 2806, Known Not Affected 1422, Known Affected 231. | https://www.suse.com/security/cve/CVE-2018-12127/ |
ubuntu
|
high | CVE-2018-12127 high priority: Ubuntu including 145 source packages (intel-microcode, libvirt, …), 1826 status rows across 17 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, trusty, upstream, xenial): DNE 1342, not-affected 248, released 205, ignored 27, needs-triage 4. | https://ubuntu.com/security/CVE-2018-12127 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| intel | microarchitectural_load_port_data_sampling_firmware | — | cpe:2.3:o:intel:microarchitectural_load_port_data_sampling_firmware:-:*:*:*:*:*:*:* |
| fedoraproject | fedora | 29 | cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* |