A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver, causing kernel panic and a denial of service.
総合評価: CVE-2023-6535 は中リスク（52.6/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 1.55%、72 パーセンタイル） 根拠: 直近 1 日で EPSS が +1.53% 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: 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 | 0.02% | 1.55% | +1.53% |
| 2 | 2025-11-21 | 0.14% | 0.02% | -0.12% |
| 3 | 2025-11-18 | — | 0.14% | — |
EPSS の全履歴 （全 11 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 |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2023-6535 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-2023-6535 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2023-6535 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2023-6535/ |
ubuntu
|
medium | CVE-2023-6535 medium priority: Ubuntu including 167 source packages (linux, linux-allwinner, …), 1873 status rows across 12 suites (bionic, focal, jammy, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 1428, released 181, ignored 152, not-affected 110, needs-triage 2. | https://ubuntu.com/security/CVE-2023-6535 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| linux | linux_kernel | — | cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
| redhat | codeready_linux_builder_eus | 8.6 | cpe:2.3:a:redhat:codeready_linux_builder_eus:8.6:*:*:*:*:*:*:* |
| redhat | codeready_linux_builder_eus | 9.2 | cpe:2.3:a:redhat:codeready_linux_builder_eus:9.2:*:*:*:*:*:*:* |
| redhat | codeready_linux_builder_eus_for_power_little_endian_eus | 8.6_ppc64le | cpe:2.3:a:redhat:codeready_linux_builder_eus_for_power_little_endian_eus:8.6_ppc64le:*:*:*:*:*:*:* |
| redhat | codeready_linux_builder_eus_for_power_little_endian_eus | 9.2_ppc64le | cpe:2.3:a:redhat:codeready_linux_builder_eus_for_power_little_endian_eus:9.2_ppc64le:*:*:*:*:*:*:* |
| redhat | codeready_linux_builder_for_arm64_eus | 8.6_aarch64 | cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:8.6_aarch64:*:*:*:*:*:*:* |
| redhat | codeready_linux_builder_for_arm64_eus | 9.2_aarch64 | cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:9.2_aarch64:*:*:*:*:*:*:* |
| redhat | codeready_linux_builder_for_ibm_z_systems_eus | 9.2_s390x | cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:9.2_s390x:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 9.0 | cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.6 | cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 9.2 | cpe:2.3:o:redhat:enterprise_linux_eus:9.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_arm_64_eus | 8.6_aarch64 | cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.6_aarch64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_arm_64_eus | 9.2_aarch64 | cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:9.2_aarch64:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 8.6_s390x | cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6_s390x:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 9.2_s390x | cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:9.2_s390x:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_little_endian_eus | 8.6_ppc64le | cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6_ppc64le:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_power_little_endian_eus | 9.2_ppc64le | cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.2_ppc64le:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_real_time | 9.2 | cpe:2.3:o:redhat:enterprise_linux_for_real_time:9.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_for_real_time_for_nfv | 9.2 | cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:9.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 8.6 | cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 9.2 | cpe:2.3:o:redhat:enterprise_linux_server_aus:9.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions | 8.6_ppc64le | cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.6_ppc64le:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions | 9.2_ppc64le | cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:9.2_ppc64le:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 8.6 | cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:* |
| redhat | virtualization_host | 4.0 | cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* |