| Summary | A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. |
|---|---|
| Publication Date | May 26, 2021, 10:15 p.m. |
| Registration Date | May 27, 2021, 10 a.m. |
| Last Update | Nov. 21, 2024, 2:21 p.m. |
| CVSS3.1 : HIGH | |
| スコア | 7.8 |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 攻撃元区分(AV) | ローカル |
| 攻撃条件の複雑さ(AC) | 低 |
| 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 : MEDIUM | |
| Score | 6.1 |
|---|---|
| Vector | AV:L/AC:L/Au:N/C:P/I:P/A:C |
| 攻撃元区分(AV) | ローカル |
| 攻撃条件の複雑さ(AC) | 低 |
| 攻撃前の認証要否(Au) | 不要 |
| 機密性への影響(C) | 低 |
| 完全性への影響(I) | 低 |
| 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:*:*:*:*:*:*:*:* | 4.15 | 4.19.164 | |||
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.20 | 5.4.86 | |||
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.5 | 5.10.4 | |||
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.10 | 4.14.213 | |||
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.5 | 4.9.249 | |||
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.4.249 | ||||
| Configuration2 | 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:*:*:*:*:*:*:* | |||||
| 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:netapp:aff_a250_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:aff_a250:-:*:*:*:*:*:*:* | ||||
| Configuration12 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:fas500f_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:fas500f:-:*:*:*:*:*:*:* | ||||
| Title | Linux Kernel における境界外書き込みに関する脆弱性 |
|---|---|
| Summary | Linux Kernel には、境界外書き込み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. 13, 2020, midnight |
| Registration Date | Feb. 9, 2022, 4:32 p.m. |
| Last Update | Feb. 9, 2022, 4:32 p.m. |
| Debian |
| Debian GNU/Linux |
| NetApp |
| H300E ファームウェア |
| H300S ファームウェア |
| H410C ファームウェア |
| H410S ファームウェア |
| H500E ファームウェア |
| H500S ファームウェア |
| H700E ファームウェア |
| H700S ファームウェア |
| Linux |
| Linux Kernel |
| No | Changed Details | Date of change |
|---|---|---|
| 1 | [2022年02月09日] 掲載 |
Feb. 9, 2022, 4:32 p.m. |