Linux Kernel NFS における特権の削除/エラーの低下に関する脆弱性
| Title |
Linux Kernel NFS における特権の削除/エラーの低下に関する脆弱性
|
| Summary |
Linux Kernel NFS (network file system) には、特権の削除/エラーの低下に関する脆弱性が存在します。
|
| Possible impacts |
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 |
Dec. 28, 2020, midnight |
| Registration Date |
Oct. 8, 2021, 6:02 p.m. |
| Last Update |
Oct. 8, 2021, 6:02 p.m. |
|
CVSS3.0 : 警告
|
| Score |
4.9
|
| Vector |
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
|
CVSS2.0 : 警告
|
| Score |
4
|
| Vector |
AV:N/AC:L/Au:S/C:N/I:N/A:P |
Affected System
| レッドハット |
|
Red Hat Enterprise Linux
|
| Linux |
|
Linux Kernel 4.2
|
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 |
[2021年10月08日]
掲載 |
Oct. 8, 2021, 6:02 p.m. |
NVD Vulnerability Information
CVE-2020-35513
| Summary |
A flaw incorrect umask during file or directory modification in the Linux kernel NFS (network file system) functionality was found in the way user create and delete object using NFSv4.2 or newer if both simultaneously accessing the NFS by the other process that is not using new NFSv4.2. A user with access to the NFS could use this flaw to starve the resources causing denial of service.
|
| Publication Date |
Jan. 27, 2021, 3:15 a.m. |
| Registration Date |
Jan. 27, 2021, 12:10 p.m. |
| Last Update |
Nov. 21, 2024, 2:27 p.m. |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:linux:linux_kernel:4.2:*:*:*:*:*:*:* |
|
|
|
|
| Configuration2 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
|
|
|
|
Related information, measures and tools
Common Vulnerabilities List