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CVE-2018-20856

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 4.18.7之前版本中的block/blk-core.c文件的‘__blk_drain_queue()’函数存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。

AI Predicted 6.5 Difficulty: Hard EPSS 0.71% · P52

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2018-20856

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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 4.18.7之前版本中的block/blk-core.c文件的‘__blk_drain_queue()’函数存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2018-20856

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III. Intelligence Information for CVE-2018-20856

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Patches & Fixes for CVE-2018-20856 (2)

Vendor Advisories for CVE-2018-20856 (13)

Exploits & Public PoCs for CVE-2018-20856 (1)

Mailing List Discussions for CVE-2018-20856 (3)

Other References for CVE-2018-20856 (1)

Same Patch Batch · n/a · 2019-07-26 · 29 CVEs total

CVE-2019-13954 MikroTik RouterOS 资源管理错误漏洞
CVE-2019-13588 Wikindx 跨站脚本漏洞
CVE-2019-10267 Ahsay Systems Cloud Backup Suite 代码问题漏洞
CVE-2019-10266 Ahsay Systems Cloud Backup Suite 代码问题漏洞
CVE-2019-10265 Ahsay Systems Cloud Backup Suite 路径遍历漏洞
CVE-2019-10264 Ahsay Systems Cloud Backup Suite 代码问题漏洞
CVE-2019-10263 Ahsay Systems Cloud Backup Suite 跨站脚本漏洞
CVE-2019-14228 Xavier PHP Management Panel 跨站请求伪造漏洞
CVE-2019-13565 OpenLDAP 授权问题漏洞
CVE-2019-13382 TechSmith SnagIT 权限许可和访问控制问题漏洞
CVE-2019-14284 Linux kernel 数字错误漏洞
CVE-2019-14283 Linux kernel 输入验证错误漏洞
CVE-2019-13638 GNU patch 操作系统命令注入漏洞
CVE-2019-13057 OpenLDAP 授权问题漏洞
CVE-2019-13990 Terracotta Quartz Scheduler 代码问题漏洞
CVE-2019-13955 MikroTik RouterOS 资源管理错误漏洞
CVE-2019-13387 CentOS Web Panel 跨站脚本漏洞
CVE-2019-13386 CentOS Web Panel 权限许可和访问控制问题漏洞
CVE-2019-13385 Control Web Panel CentOS Web Panel 路径遍历漏洞
CVE-2018-20857 Zendesk Samlr 输入验证错误漏洞

Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2018-20856

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