CVE-2020-12771 (CNNVD-202005-394)
MEDIUM
中文标题:
Linux kernel 输入验证错误漏洞
英文标题:
An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/b...
CVSS分数:
5.5
发布时间:
2020-05-09 20:16:20
漏洞类型:
输入验证错误
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基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 5.6.11及之前版本中的drivers/md/bcache/btree.c文件的‘btree_gc_coalesce’函数存在安全漏洞。攻击者可利用该漏洞导致进程死锁。
英文描述:
An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails.
CWE类型:
CWE-667
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:*:*:*:*:*:*:*:*
|
| debian | debian_linux | 9.0 | - | - |
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
|
| opensuse | leap | 15.1 | - | - |
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
|
| opensuse | leap | 15.2 | - | - |
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
|
| canonical | ubuntu_linux | 14.04 | - | - |
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
|
| canonical | ubuntu_linux | 16.04 | - | - |
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
|
| canonical | ubuntu_linux | 18.04 | - | - |
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
|
| canonical | ubuntu_linux | 20.04 | - | - |
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
|
| netapp | active_iq_unified_manager | - | - | - |
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
|
| netapp | cloud_backup | - | - | - |
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
|
| netapp | element_software | - | - | - |
cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*
|
| netapp | hci_management_node | - | - | - |
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
|
| netapp | solidfire | - | - | - |
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
|
| netapp | steelstore_cloud_integrated_storage | - | - | - |
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
|
| netapp | hci_bootstrap_os | - | - | - |
cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*
|
| netapp | a700s_firmware | - | - | - |
cpe:2.3:o:netapp:a700s_firmware:-:*:*:*:*:*:*:*
|
| netapp | h300s_firmware | - | - | - |
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
|
| netapp | h500s_firmware | - | - | - |
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
|
| netapp | h700s_firmware | - | - | - |
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
|
| netapp | h300e_firmware | - | - | - |
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
|
| netapp | h500e_firmware | - | - | - |
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
|
| netapp | h700e_firmware | - | - | - |
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
|
| netapp | h410s_firmware | - | - | - |
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
|
| netapp | h410c_firmware | - | - | - |
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
|
| netapp | h610c_firmware | - | - | - |
cpe:2.3:o:netapp:h610c_firmware:-:*:*:*:*:*:*:*
|
| netapp | h610s_firmware | - | - | - |
cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:*
|
| netapp | h615c_firmware | - | - | - |
cpe:2.3:o:netapp:h615c_firmware:-:*:*:*:*:*:*:*
|
| oracle | sd-wan_edge | 8.2 | - | - |
cpe:2.3:a:oracle:sd-wan_edge:8.2:*:*:*:*:*:*:*
|
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）
参考链接
openSUSE-SU-2020:1062
vendor-advisory
cve.org
访问
cve.org
openSUSE-SU-2020:1153
vendor-advisory
cve.org
访问
cve.org
[debian-lts-announce] 20200812 [SECURITY] [DLA 2323-1] linux-4.19 new package
mailing-list
cve.org
访问
cve.org
USN-4463-1
vendor-advisory
cve.org
访问
cve.org
USN-4465-1
vendor-advisory
cve.org
访问
cve.org
USN-4462-1
vendor-advisory
cve.org
访问
cve.org
USN-4483-1
vendor-advisory
cve.org
访问
cve.org
USN-4485-1
vendor-advisory
cve.org
访问
cve.org
[debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update
mailing-list
cve.org
访问
cve.org
[debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update
mailing-list
cve.org
访问
cve.org
无标题
x_refsource_MISC
cve.org
访问
cve.org
无标题
x_refsource_CONFIRM
cve.org
访问
cve.org
无标题
x_refsource_CONFIRM
cve.org
访问
cve.org
CVSS评分详情
5.5
MEDIUM
CVSS向量:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS版本:
3.1
机密性
NONE
完整性
NONE
可用性
HIGH
时间信息
发布时间:
2020-05-09 20:16:20
修改时间:
2024-08-04 12:04:22
创建时间:
2025-11-11 15:36:00
更新时间:
2025-11-11 15:56:08
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-2020-12771 |
2025-11-11 15:20:22 | 2025-11-11 07:36:00 |
| NVD | nvd_CVE-2020-12771 |
2025-11-11 14:56:58 | 2025-11-11 07:44:28 |
| CNNVD | cnnvd_CNNVD-202005-394 |
2025-11-11 15:10:25 | 2025-11-11 07:56:08 |
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 15:56:08
vulnerability_type: 未提取 → 输入验证错误; cnnvd_id: 未提取 → CNNVD-202005-394; data_sources: ['cve', 'nvd'] → ['cnnvd', 'cve', 'nvd']
查看详细变更
- vulnerability_type: 未提取 -> 输入验证错误
- cnnvd_id: 未提取 -> CNNVD-202005-394
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
v2
NVD
2025-11-11 15:44:28
cvss_score: 未提取 → 5.5; cvss_vector: NOT_EXTRACTED → CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H; cvss_version: NOT_EXTRACTED → 3.1; affected_products_count: 0 → 28; data_sources: ['cve'] → ['cve', 'nvd']
查看详细变更
- cvss_score: 未提取 -> 5.5
- cvss_vector: NOT_EXTRACTED -> CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- cvss_version: NOT_EXTRACTED -> 3.1
- affected_products_count: 0 -> 28
- data_sources: ['cve'] -> ['cve', 'nvd']