| Summary | A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. |
|---|---|
| Publication Date | Feb. 17, 2022, 4:15 a.m. |
| Registration Date | Feb. 17, 2022, 10 a.m. |
| Last Update | Nov. 21, 2024, 3:22 p.m. |
| CVSS3.1 : HIGH | |
| スコア | 7.1 |
|---|---|
| Vector | CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 攻撃元区分(AV) | 隣接 |
| 攻撃条件の複雑さ(AC) | 高 |
| 攻撃に必要な特権レベル(PR) | 低 |
| 利用者の関与(UI) | 不要 |
| 影響の想定範囲(S) | 変更なし |
| 機密性への影響(C) | 高 |
| 完全性への影響(I) | 高 |
| 可用性への影響(A) | 高 |
| CVSS2.0 : HIGH | |
| Score | 7.9 |
|---|---|
| Vector | AV:A/AC:M/Au:N/C:C/I:C/A:C |
| 攻撃元区分(AV) | 隣接 |
| 攻撃条件の複雑さ(AC) | 中 |
| 攻撃前の認証要否(Au) | 不要 |
| 機密性への影響(C) | 高 |
| 完全性への影響(I) | 高 |
| 可用性への影響(A) | 高 |
| Get all privileges. | いいえ |
| Get user privileges | いいえ |
| Get other privileges | いいえ |
| User operation required | いいえ |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.11 | 5.14.19 | |||
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.15 | 5.15.3 | |||
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.20 | 5.4.160 | |||
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.10 | 4.14.256 | |||
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.5 | 4.9.291 | |||
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.15 | 4.19.218 | |||
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.5 | 5.10.80 | |||
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 2.6.12 | 4.4.293 | |||
| Configuration2 | or higher | or less | more than | less than | |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:redhat:enterprise_linux_for_real_time:7:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:7:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:redhat:3scale:2.0:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | |||||
| Configuration3 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* | ||||
| Configuration4 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* | ||||
| Configuration5 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* | ||||
| Configuration6 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:* | ||||
| Configuration7 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:* | ||||
| Configuration8 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:* | ||||
| Configuration9 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* | ||||
| Configuration10 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* | ||||
| Configuration11 | or higher | or less | more than | less than | |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | |||||
| Configuration12 | or higher | or less | more than | less than | |
| cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:* | |||||
| Title | Linux Kernel における解放済みメモリの使用に関する脆弱性 |
|---|---|
| Summary | Linux Kernel には、解放済みメモリの使用に関する脆弱性が存在します。 |
| Possible impacts | 情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。 |
| Solution | ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。 |
| Publication Date | Nov. 15, 2021, midnight |
| Registration Date | June 21, 2023, 11:32 a.m. |
| Last Update | June 21, 2023, 11:32 a.m. |
| レッドハット |
| Red Hat 3scale |
| Red Hat Enterprise Linux |
| Red Hat Enterprise Linux for Real Time |
| Red Hat Enterprise Linux for Real Time for NFV |
| Red Hat Virtualization Host |
| オラクル |
| Oracle Communications Cloud Native Core Binding Support Function |
| Debian |
| Debian GNU/Linux |
| Fedora Project |
| Fedora |
| NetApp |
| HCI Baseboard Management Controller (BMC) H300S ファームウェア |
| Linux |
| Linux Kernel |
| No | Changed Details | Date of change |
|---|---|---|
| 1 | [2023年06月19日] 掲載 | June 19, 2023, 3:14 p.m. |