CVE-2018-5390 | Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service

Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service.

公開: 2018-08-06 最終更新: 2026-06-16 Assigner: [email protected] ソース: [email protected]

総合評価: CVE-2018-5390 は高リスク(69.8/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 73.54%、99 パーセンタイル) 根拠: EPSS 上、短期間での悪用可能性は高い水準です。 直近 1 日で EPSS が +62.38% 上昇。悪用への関心が高まっている可能性があります。 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。

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。

CVE-2018-5390 の EPSS(Exploit Prediction Scoring System)スコア

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 11.16% 73.54% +62.38%
2 2026-06-04 10.60% 11.16% +0.56%
3 2026-04-28 10.60%

EPSS の全履歴 (全 32 件)

CVE-2018-5390 の CVSS(Common Vulnerability Scoring System)指標

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
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H クリックして展開
攻撃ベクター (AV:N)
インターネットなど、ルーティングされたネットワーク越しに遠隔から悪用しうる。端末の前にいる必要はない。
攻撃の複雑さ (AC:L)
攻撃者が条件を満たせば、レース条件や珍しい構成に依存せずに再現しやすい。
必要な権限 (PR:N)
事前のログインや昇格は不要で、匿名アクセスのまま踏み台にしうる。
ユーザーの関与 (UI:N)
メールのリンクを開く、マクロを有効にするなど、被害者の協力がなくても成立しうる。
スコープ (S:U)
影響は脆弱コンポーネントと同一のセキュリティ権限・信頼境界の内側に収まる。
機密性への影響 (C:N)
機微情報の漏えいは想定しにくい。
完全性への影響 (I:N)
改ざん・なりすましによる信頼毀損は軽微か、想定されない。
可用性への影響 (A:H)
長時間のサービス停止、データ損壊による復旧不能に近い状態など、利用者に著しい不便を与えうる。
3.9 3.6 [email protected]
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C クリックして展開
アクセス経路 (AV:N)
ルーティング可能なネットワーク越しに、遠隔から到達・悪用しうる。
アクセスの複雑さ (AC:L)
手順が短く、再現性が高い。
認証 (AU:N)
認証を経ずに攻撃を完結できる。
機密性への影響 (C:N)
機密性は損なわれない。
完全性への影響 (I:N)
完全性は損なわれない。
可用性への影響 (A:C)
可用性は全面的に損なわれる。
10.0 6.9 [email protected]

CVE-2018-5390 の弱点分類(列挙)

CVE-2018-5390 の OS トラッカー

vendor priority summary link
debian not yet assigned CVE-2018-5390 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-2018-5390
redhat high https://access.redhat.com/security/cve/CVE-2018-5390
suse medium CVE-2018-5390 severity moderate: SUSE including 340 source package names (cluster-md-kmp-azure-4.12.14-5.8.1, cluster-md-kmp-default-4.12.14-120.1, …), 698 product×package rows across 100 product lines (SUSE CaaS Platform 3.0, SUSE CaaS Platform 4.0, … (100 product lines)): Fixed 539, Known Not Affected 159. https://www.suse.com/security/cve/CVE-2018-5390/
ubuntu high CVE-2018-5390 high priority: Ubuntu including 24 source packages (linux, linux-aws, …), 120 status rows across 5 suites (bionic, cosmic, trusty, upstream, xenial): DNE 61, released 45, not-affected 12, ignored 2. https://ubuntu.com/security/CVE-2018-5390

CVE-2018-5390 の影響を受けるソフトウェア/構成

ベンダー 製品 バージョン 生の CPE
redhat virtualization 4.0 cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 7.0 cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 7.0 cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 6.4 cpe:2.3:o:redhat:enterprise_linux_server_aus:6.4:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 6.5 cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 6.6 cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 7.2 cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*
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_eus 6.4 cpe:2.3:o:redhat:enterprise_linux_server_eus:6.4:*:*:*:*:*:*:*
redhat enterprise_linux_server_eus 6.7 cpe:2.3:o:redhat:enterprise_linux_server_eus:6.7:*:*:*:*:*:*:*
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_tus 6.6 cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:*:*:*:*:*:*:*
redhat enterprise_linux_server_tus 7.2 cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:*:*:*:*:*:*:*
redhat enterprise_linux_server_tus 7.3 cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*
redhat enterprise_linux_server_tus 7.4 cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 7.0 cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
linux linux_kernel >= 4.9, < 4.18 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel 4.18 cpe:2.3:o:linux:linux_kernel:4.18:rc1:*:*:*:*:*:*
linux linux_kernel 4.18 cpe:2.3:o:linux:linux_kernel:4.18:rc2:*:*:*:*:*:*
linux linux_kernel 4.18 cpe:2.3:o:linux:linux_kernel:4.18:rc3:*:*:*:*:*:*
linux linux_kernel 4.18 cpe:2.3:o:linux:linux_kernel:4.18:rc4:*:*:*:*:*:*
linux linux_kernel 4.18 cpe:2.3:o:linux:linux_kernel:4.18:rc5:*:*:*:*:*:*
linux linux_kernel 4.18 cpe:2.3:o:linux:linux_kernel:4.18:rc6:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
hp aruba_airwave_amp < 8.2.7.1 cpe:2.3:a:hp:aruba_airwave_amp:*:*:*:*:*:*:*:*
hp aruba_clearpass_policy_manager >= 6.6.0, <= 6.6.9 cpe:2.3:a:hp:aruba_clearpass_policy_manager:*:*:*:*:*:*:*:*
hp aruba_clearpass_policy_manager >= 6.7.0, <= 6.7.5 cpe:2.3:a:hp:aruba_clearpass_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip_access_policy_manager >= 11.5.1, <= 11.6.3 cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip_access_policy_manager >= 12.1.0, <= 12.1.3 cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip_access_policy_manager >= 13.0.0, <= 13.1.1 cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip_access_policy_manager 14.0.0 cpe:2.3:a:f5:big-ip_access_policy_manager:14.0.0:*:*:*:*:*:*:*
f5 big-ip_advanced_firewall_manager >= 11.5.1, <= 11.6.3 cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip_advanced_firewall_manager >= 12.1.0, <= 12.1.3 cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip_advanced_firewall_manager >= 13.0.0, <= 13.1.1 cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip_advanced_firewall_manager 14.0.0 cpe:2.3:a:f5:big-ip_advanced_firewall_manager:14.0.0:*:*:*:*:*:*:*
f5 big-ip_analytics >= 11.5.1, <= 11.6.3 cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
f5 big-ip_analytics >= 12.1.0, <= 12.1.3 cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
f5 big-ip_analytics >= 13.0.0, <= 13.1.1 cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
f5 big-ip_analytics 14.0.0 cpe:2.3:a:f5:big-ip_analytics:14.0.0:*:*:*:*:*:*:*
f5 big-ip_application_acceleration_manager >= 11.5.1, <= 11.6.3 cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
f5 big-ip_application_acceleration_manager >= 12.1.0, <= 12.1.3 cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
f5 big-ip_application_acceleration_manager >= 13.0.0, <= 13.1.1 cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
f5 big-ip_application_acceleration_manager 14.0.0 cpe:2.3:a:f5:big-ip_application_acceleration_manager:14.0.0:*:*:*:*:*:*:*
f5 big-ip_application_security_manager >= 11.5.1, <= 11.6.3 cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
f5 big-ip_application_security_manager >= 12.1.0, <= 12.1.3 cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
f5 big-ip_application_security_manager >= 13.0.0, <= 13.1.1 cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
f5 big-ip_application_security_manager 14.0.0 cpe:2.3:a:f5:big-ip_application_security_manager:14.0.0:*:*:*:*:*:*:*
f5 big-ip_domain_name_system >= 11.5.1, <= 11.6.3 cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
f5 big-ip_domain_name_system >= 12.1.0, <= 12.1.3 cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
f5 big-ip_domain_name_system >= 13.0.0, <= 13.1.1 cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
f5 big-ip_domain_name_system 14.0.0 cpe:2.3:a:f5:big-ip_domain_name_system:14.0.0:*:*:*:*:*:*:*
f5 big-ip_edge_gateway >= 11.5.1., <= 11.6.3 cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
f5 big-ip_edge_gateway >= 12.1.0, <= 12.1.3 cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
f5 big-ip_edge_gateway >= 13.0.0, <= 13.1.1 cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
f5 big-ip_edge_gateway 14.0.0 cpe:2.3:a:f5:big-ip_edge_gateway:14.0.0:*:*:*:*:*:*:*
f5 big-ip_fraud_protection_service >= 11.5.1, <= 11.6.3 cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
f5 big-ip_fraud_protection_service >= 12.1.0, <= 12.1.3 cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
f5 big-ip_fraud_protection_service >= 13.0.0, <= 13.1.1 cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
f5 big-ip_fraud_protection_service 14.0.0 cpe:2.3:a:f5:big-ip_fraud_protection_service:14.0.0:*:*:*:*:*:*:*
f5 big-ip_global_traffic_manager >= 11.5.1, <= 11.6.3 cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
f5 big-ip_global_traffic_manager >= 12.1.0, <= 12.1.3 cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
f5 big-ip_global_traffic_manager >= 13.0.0, <= 13.1.1 cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
f5 big-ip_global_traffic_manager 14.0.0 cpe:2.3:a:f5:big-ip_global_traffic_manager:14.0.0:*:*:*:*:*:*:*
f5 big-ip_link_controller >= 11.5.1, <= 11.6.3 cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*
f5 big-ip_link_controller >= 12.1.0, <= 12.1.3 cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*
f5 big-ip_link_controller >= 13.0.0, <= 13.1.1 cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*
f5 big-ip_link_controller 14.0.0 cpe:2.3:a:f5:big-ip_link_controller:14.0.0:*:*:*:*:*:*:*
f5 big-ip_local_traffic_manager >= 11.5.1, <= 11.6.3 cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
f5 big-ip_local_traffic_manager >= 12.0.0, <= 12.1.3 cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
f5 big-ip_local_traffic_manager > 13.0.0, <= 13.1.1 cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
f5 big-ip_local_traffic_manager 14.0.0 cpe:2.3:a:f5:big-ip_local_traffic_manager:14.0.0:*:*:*:*:*:*:*

CVE-2018-5390 の参考情報

URL タグ
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-004.txt Third Party Advisory
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20181031-02-linux-en Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/06/28/2 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/07/06/3 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/07/06/4 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/104976 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041424 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041434 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:2384 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2395 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2402 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2403 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2645 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2776 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2785 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2789 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2790 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2791 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2924 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2933 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2948 Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-377115.pdf Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=1a4f14bab1868b443f0dd3c55b689a478f82e72e Patch Vendor Advisory
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00014.html Third Party Advisory
https://security.netapp.com/advisory/ntap-20180815-0003/ Third Party Advisory
https://support.f5.com/csp/article/K95343321 Third Party Advisory
https://support.f5.com/csp/article/K95343321?utm_source=f5support&amp%3Butm_medium=RSS
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180824-linux-tcp Third Party Advisory
https://usn.ubuntu.com/3732-1/ Third Party Advisory
https://usn.ubuntu.com/3732-2/ Third Party Advisory
https://usn.ubuntu.com/3741-1/ Third Party Advisory
https://usn.ubuntu.com/3741-2/ Third Party Advisory
https://usn.ubuntu.com/3742-1/ Third Party Advisory
https://usn.ubuntu.com/3742-2/ Third Party Advisory
https://usn.ubuntu.com/3763-1/ Third Party Advisory
https://www.a10networks.com/support/security-advisories/tcp-ip-cve-2018-5390-segmentsmack Mitigation Third Party Advisory
https://www.debian.org/security/2018/dsa-4266 Third Party Advisory
https://www.kb.cert.org/vuls/id/962459 Third Party Advisory US Government Resource
https://www.oracle.com/security-alerts/cpujul2020.html Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html Patch Third Party Advisory
https://www.synology.com/support/security/Synology_SA_18_41 Third Party Advisory
cvelogic Threat Intelligence