CVE-2021-4157 (CNNVD-202203-2249)
HIGH
中文标题:
Linux kernel 缓冲区错误漏洞
英文标题:
An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was fo...
CVSS分数:
8.0
发布时间:
2022-03-25 18:02:43
漏洞类型:
缓冲区错误
状态:
PUBLISHED
数据质量分数:
0.30
数据版本:
v3
漏洞描述
中文描述:
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在缓冲区错误漏洞，该漏洞源于用户使用镜像的方式中存在内存溢出缺陷。有权访问 NFS 挂载的用户利用该漏洞可以使系统崩溃或提升系统权限。
英文描述:
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.
CWE类型:
CWE-119
标签:
（暂无数据）
受影响产品
| 厂商 | 产品 | 版本 | 版本范围 | 平台 | CPE |
|---|---|---|---|---|---|
| linux | linux_kernel | * | - | - |
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
|
| fedoraproject | fedora | 35 | - | - |
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
|
| netapp | h300e_firmware | - | - | - |
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
|
| netapp | h300s_firmware | - | - | - |
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
|
| netapp | h500e_firmware | - | - | - |
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
|
| netapp | h500s_firmware | - | - | - |
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
|
| netapp | h700e_firmware | - | - | - |
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
|
| netapp | h700s_firmware | - | - | - |
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
|
| netapp | h410s_firmware | - | - | - |
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
|
| oracle | communications_cloud_native_core_binding_support_function | 22.1.1 | - | - |
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.1:*:*:*:*:*:*:*
|
| oracle | communications_cloud_native_core_binding_support_function | 22.1.3 | - | - |
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*
|
| oracle | communications_cloud_native_core_binding_support_function | 22.2.0 | - | - |
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.2.0:*:*:*:*:*:*:*
|
解决方案
中文解决方案:
（暂无数据）
英文解决方案:
（暂无数据）
临时解决方案:
（暂无数据）
CVSS评分详情
8.0
HIGH
CVSS向量:
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS版本:
3.1
机密性
HIGH
完整性
HIGH
可用性
HIGH
时间信息
发布时间:
2022-03-25 18:02:43
修改时间:
2024-08-03 17:16:04
创建时间:
2025-11-11 15:37:03
更新时间:
2025-11-11 15:57:11
利用信息
暂无可利用代码信息
数据源详情
| 数据源 | 记录ID | 版本 | 提取时间 |
|---|---|---|---|
| CVE | cve_CVE-2021-4157 |
2025-11-11 15:21:12 | 2025-11-11 07:37:03 |
| NVD | nvd_CVE-2021-4157 |
2025-11-11 14:57:49 | 2025-11-11 07:45:21 |
| CNNVD | cnnvd_CNNVD-202203-2249 |
2025-11-11 15:10:51 | 2025-11-11 07:57:11 |
版本与语言
当前版本:
v3
主要语言:
EN
支持语言:
EN
ZH
安全公告
暂无安全公告信息
变更历史
v3
CNNVD
2025-11-11 15:57:11
vulnerability_type: 未提取 → 缓冲区错误; cnnvd_id: 未提取 → CNNVD-202203-2249; data_sources: ['cve', 'nvd'] → ['cnnvd', 'cve', 'nvd']
查看详细变更
- vulnerability_type: 未提取 -> 缓冲区错误
- cnnvd_id: 未提取 -> CNNVD-202203-2249
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
v2
NVD
2025-11-11 15:45:21
severity: SeverityLevel.MEDIUM → SeverityLevel.HIGH; cvss_score: 未提取 → 8.0; cvss_vector: NOT_EXTRACTED → CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H; cvss_version: NOT_EXTRACTED → 3.1; affected_products_count: 0 → 12; data_sources: ['cve'] → ['cve', 'nvd']
查看详细变更
- severity: SeverityLevel.MEDIUM -> SeverityLevel.HIGH
- cvss_score: 未提取 -> 8.0
- cvss_vector: NOT_EXTRACTED -> CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- cvss_version: NOT_EXTRACTED -> 3.1
- affected_products_count: 0 -> 12
- data_sources: ['cve'] -> ['cve', 'nvd']