The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.
総合評価: CVE-2017-12134 は中リスク（48.9/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 0.50%、38 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 | 0.29% | 0.50% | +0.21% |
| 2 | 2025-06-19 | 0.18% | 0.29% | +0.10% |
| 3 | 2025-04-21 | — | 0.18% | — |
EPSS の全履歴 （全 9 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 |
|---|---|---|---|---|---|---|
| 8.8 | 3.0 | HIGH |
|
2.0 | 6.0 | [email protected] |
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2017-12134 not yet assigned priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-12134 |
gentoo
|
high | CVE-2017-12134: 1 GLSA(s) (201801-14), 2 atom(s) (app-emulation/xen, app-emulation/xen-tools); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-12134 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2017-12134 |
suse
|
high | CVE-2017-12134 severity important: SUSE including 57 source package names (cluster-md-kmp-default-4.4.90-92.45.1, cluster-md-kmp-default-4.4.92-6.18.1, …), 165 product×package rows across 44 product lines (SUSE CaaS Platform 4.5, SUSE Enterprise Storage 7, … (44 product lines)): Known Not Affected 83, Fixed 82. | https://www.suse.com/security/cve/CVE-2017-12134/ |
ubuntu
|
medium | CVE-2017-12134 medium priority: Ubuntu including 79 source packages (linux, linux-aws, …), 654 status rows across 11 suites (artful, bionic, cosmic, focal, jammy, noble, oracular, trusty, upstream, xenial, zesty): DNE 425, not-affected 124, released 93, ignored 12. | https://ubuntu.com/security/CVE-2017-12134 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| xen | xen | — | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* |
| citrix | xenserver | 6.0.2 | cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:* |
| citrix | xenserver | 6.2.0 | cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:* |
| citrix | xenserver | 6.5 | cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:* |
| citrix | xenserver | 7.0 | cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:* |
| citrix | xenserver | 7.1 | cpe:2.3:a:citrix:xenserver:7.1:*:*:*:*:*:*:* |
| citrix | xenserver | 7.2 | cpe:2.3:a:citrix:xenserver:7.2:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://www.debian.org/security/2017/dsa-3981 | |
| http://www.openwall.com/lists/oss-security/2017/08/15/4 | Mailing List Mitigation Third Party Advisory |
| http://www.securityfocus.com/bid/100343 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1039176 | Third Party Advisory VDB Entry |
| http://xenbits.xen.org/xsa/advisory-229.html | Mitigation Patch Vendor Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1477656 | Issue Tracking Mitigation Patch Third Party Advisory |
| https://security.gentoo.org/glsa/201801-14 | |
| https://support.citrix.com/article/CTX225941 | Patch Third Party Advisory |
| https://usn.ubuntu.com/3655-1/ | |
| https://usn.ubuntu.com/3655-2/ |