Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect handling of a copy-on-write (COW) feature to write to a read-only memory mapping, as exploited in the wild in October 2016, aka "Dirty COW."
総合評価: CVE-2016-5195 は在野悪用が確認された重大脅威(82.9/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 83.91%、100 パーセンタイル) 根拠: CISA KEV に登録(追加日 2022-03-03)。Linux / Kernel が対象で、弱点分類 CWE-362の悪用が確認されています。未認証でリモート管理権限を奪取されるリスクが極めて高い。 推奨対応: CISA の対応期限を過ぎています。緊急のパッチ適用を最優先に検討してください。
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。
: Linux Kernel Race Condition Vulnerability · CISA KEV の詳細
: 2022-03-03
: 2022-03-24
: Apply updates per vendor instructions.
| EDB-ID | ソース | 種別 | 公開 | リンク |
|---|---|---|---|---|
| 40839 | exploit_db | edb | 2016-11-28 | Exploit-DB ↗ |
| 40847 | exploit_db | edb | 2016-11-27 | Exploit-DB ↗ |
| 40838 | exploit_db | edb | 2016-10-26 | Exploit-DB ↗ |
| 40616 | exploit_db | edb | 2016-10-21 | Exploit-DB ↗ |
| 40611 | exploit_db | edb | 2016-10-19 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | 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 | 93.93% | 83.91% | -10.02% |
| 2 | 2026-05-22 | 94.18% | 93.93% | -0.25% |
| 3 | 2025-08-08 | — | 94.18% | — |
EPSS の全履歴 (全 18 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 |
|---|---|---|---|---|---|---|
| 7.0 | 3.1 | HIGH |
|
1.0 | 5.9 | [email protected] |
| 7.0 | 3.1 | HIGH |
|
1.0 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-5195 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-2016-5195 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2016-5195 |
suse
|
high | CVE-2016-5195 severity important: SUSE including 297 source package names (cri-o-1.17.1-lp151.2.2, cri-o-kubeadm-criconfig-1.17.1-lp151.2.2, …), 732 product×package rows across 104 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (104 product lines)): Fixed 446, Known Not Affected 286. | https://www.suse.com/security/cve/CVE-2016-5195/ |
ubuntu
|
high | CVE-2016-5195 high priority: Ubuntu including 27 source packages (linux, linux-armadaxp, …), 162 status rows across 6 suites (precise, trusty, upstream, xenial, yakkety, zesty): DNE 103, released 40, ignored 11, not-affected 8. | https://ubuntu.com/security/CVE-2016-5195 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 16.10 | cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 2.6.22, < 3.2.83 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.3, < 3.4.113 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.5, < 3.10.104 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.11, < 3.12.66 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.13, < 3.16.38 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.17, < 3.18.44 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.19, < 4.1.35 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 4.2, < 4.4.26 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 4.5, < 4.7.9 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 4.8, < 4.8.3 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 5 | cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 6.0 | cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 7.0 | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_aus | 6.2 | cpe:2.3:o:redhat:enterprise_linux_aus:6.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_aus | 6.4 | cpe:2.3:o:redhat:enterprise_linux_aus:6.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_aus | 6.5 | cpe:2.3:o:redhat:enterprise_linux_aus:6.5:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 6.6 | cpe:2.3:o:redhat:enterprise_linux_eus:6.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 6.7 | cpe:2.3:o:redhat:enterprise_linux_eus:6.7:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 7.1 | cpe:2.3:o:redhat:enterprise_linux_eus:7.1:*:*:*:*:*:*:* |
| redhat | enterprise_linux_long_life | 5.6 | cpe:2.3:o:redhat:enterprise_linux_long_life:5.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_long_life | 5.9 | cpe:2.3:o:redhat:enterprise_linux_long_life:5.9:*:*:*:*:*:*:* |
| redhat | enterprise_linux_tus | 6.5 | cpe:2.3:o:redhat:enterprise_linux_tus:6.5:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |
| fedoraproject | fedora | 23 | cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:* |
| fedoraproject | fedora | 24 | cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* |
| fedoraproject | fedora | 25 | cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:* |
| paloaltonetworks | pan-os | >= 5.1, < 7.0.14 | cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* |
| paloaltonetworks | pan-os | >= 7.1.0, < 7.1.8 | cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* |
| netapp | cloud_backup | — | cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* |
| netapp | hci_storage_nodes | — | cpe:2.3:a:netapp:hci_storage_nodes:-:*:*:*:*:*:*:* |
| netapp | oncommand_balance | — | cpe:2.3:a:netapp:oncommand_balance:-:*:*:*:*:*:*:* |
| netapp | oncommand_performance_manager | — | cpe:2.3:a:netapp:oncommand_performance_manager:-:*:*:*:*:*:*:* |
| netapp | oncommand_unified_manager_for_clustered_data_ontap | — | cpe:2.3:a:netapp:oncommand_unified_manager_for_clustered_data_ontap:-:*:*:*:*:*:*:* |
| netapp | ontap_select_deploy_administration_utility | — | cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* |
| netapp | snapprotect | — | cpe:2.3:a:netapp:snapprotect:-:*:*:*:*:*:*:* |
| netapp | solidfire | — | cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* |