CVE-2021-4157
| Summary |
An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way users use mirroring (replication of files with NFS). A user, having access to the NFS mount, could potentially use this flaw to crash the system or escalate privileges on the system.
|
| Publication Date |
March 26, 2022, 4:15 a.m. |
| Registration Date |
March 26, 2022, 10 a.m. |
| Last Update |
Nov. 21, 2024, 3:37 p.m. |
|
CVSS3.1 : HIGH
|
| スコア |
8.0
|
| Vector |
CVSS:3.1/AV:A/AC:L/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) |
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 : HIGH
|
| Score |
7.4
|
| Vector |
AV:A/AC:M/Au:S/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) |
単一 |
| 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
|
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
4.0 |
|
|
4.4.269 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
4.5 |
|
|
4.9.269 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
4.10 |
|
|
4.14.233 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
4.15 |
|
|
4.19.191 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
4.20 |
|
|
5.4.120 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
5.5 |
|
|
5.10.38 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
5.11 |
|
|
5.11.22 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
5.12 |
|
|
5.12.5 |
| Configuration2 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* |
|
|
|
|
| Configuration3 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:* |
| Configuration4 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* |
| Configuration5 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:* |
| Configuration6 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* |
| Configuration7 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:* |
| Configuration8 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* |
| 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:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.1:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.2.0:*:*:*:*:*:*:* |
|
|
|
|
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
Linux Kernel におけるバッファエラーの脆弱性
| Title |
Linux Kernel におけるバッファエラーの脆弱性
|
| Summary |
Linux Kernel には、バッファエラーの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 |
May 17, 2021, midnight |
| Registration Date |
Aug. 16, 2023, 4:41 p.m. |
| Last Update |
Aug. 16, 2023, 4:41 p.m. |
Affected System
| オラクル |
|
Oracle Communications Cloud Native Core Binding Support Function
|
| Fedora Project |
|
Fedora
|
| NetApp |
|
H300E ファームウェア
|
|
H300S 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
|
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
| No |
Changed Details |
Date of change |
| 1 |
[2023年08月15日] 掲載 |
Aug. 15, 2023, 6:14 p.m. |