usb_sg_cancel in drivers/usb/core/message.c in the Linux kernel before 5.6.8 has a use-after-free because a transfer occurs without a reference, aka CID-056ad39ee925.
総合評価: CVE-2020-12464 は悪用リスクが高い(60.6/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 0.80%、52 パーセンタイル) 根拠: 公開エクスプロイトが 1 件参照されています(Exploit-DB)。 推奨対応: 公開エクスプロイトが確認されています。影響範囲の確認、緩和策の適用、パッチ適用を優先してください。
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。
| EDB-ID | ソース | 種別 | 公開 | リンク |
|---|---|---|---|---|
| — | 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 | 0.08% | 0.80% | +0.72% |
| 2 | 2025-03-30 | 0.35% | 0.08% | -0.27% |
| 3 | 2025-03-29 | — | 0.35% | — |
EPSS の全履歴 (全 10 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 |
|---|---|---|---|---|---|---|
| 6.7 | 3.1 | MEDIUM |
|
0.8 | 5.9 | [email protected] |
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2020-12464 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-2020-12464 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2020-12464 |
suse
|
low | CVE-2020-12464 severity low: SUSE including 543 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, …), 839 product×package rows across 113 product lines (HPE Helion OpenStack 8, Image SLES12-SP5-Azure-BYOS, … (113 product lines)): Fixed 555, Known Affected 157, Known Not Affected 127. | https://www.suse.com/security/cve/CVE-2020-12464/ |
ubuntu
|
medium | CVE-2020-12464 medium priority: Ubuntu including 112 source packages (linux, linux-aws, …), 1151 status rows across 12 suites (bionic, eoan, focal, groovy, jammy, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 819, released 164, not-affected 151, ignored 17. | https://ubuntu.com/security/CVE-2020-12464 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| linux | linux_kernel | < 3.16.85 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.17, < 4.4.221 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 4.5, < 4.9.221 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 4.10, < 4.14.178 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 4.15, < 4.19.119 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 4.20, < 5.4.36 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 5.5, < 5.6.8 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| netapp | active_iq_unified_manager | — | cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* |
| netapp | cloud_backup | — | cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h300s | cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h410c | cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h410s | cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h500s | cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h610c | cpe:2.3:a:netapp:hci_baseboard_management_controller:h610c:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h610s | cpe:2.3:a:netapp:hci_baseboard_management_controller:h610s:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h615c | cpe:2.3:a:netapp:hci_baseboard_management_controller:h615c:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h700s | cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:* |
| netapp | hci_storage_nodes | — | cpe:2.3:a:netapp:hci_storage_nodes:-:*:*:*:*:*:*:* |
| netapp | solidfire_\&_hci_storage_node | — | cpe:2.3:a:netapp:solidfire_\&_hci_storage_node:-:*:*:*:*:*:*:* |
| netapp | steelstore_cloud_integrated_storage | — | cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:* |
| netapp | aff_a700s | — | cpe:2.3:h:netapp:aff_a700s:-:*:*:*:*:*:*:* |
| netapp | hci_compute_node | — | cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:* |
| netapp | solidfire_baseboard_management_controller | — | cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:* |