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CVE-2021-4150

Quick assessment

Affected
n/a kernel
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基金会的开源操作系统Linux所使用的内核。KVM是其中的一个基于内核的虚拟机。 Linux kernel 存在安全漏洞，该漏洞源于具有用户权限的本地攻击者可能会导致系统拒绝服务。该问题是由于在向磁盘添加分区时 device_add 调用失败时缺少代码清理造成的。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.34% · P24

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-4150

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A use-after-free flaw was found in the add_partition in block/partitions/core.c in the Linux kernel. A local attacker with user privileges could cause a denial of service on the system. The issue results from the lack of code cleanup when device_add call fails when adding a partition to the disk.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
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基金会的开源操作系统Linux所使用的内核。KVM是其中的一个基于内核的虚拟机。 Linux kernel 存在安全漏洞，该漏洞源于具有用户权限的本地攻击者可能会导致系统拒绝服务。该问题是由于在向磁盘添加分区时 device_add 调用失败时缺少代码清理造成的。
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
- kernel kernel 5.15 rc7 -

II. Public POCs for CVE-2021-4150

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III. Intelligence Information for CVE-2021-4150

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Vendor Advisories for CVE-2021-4150 (1)

Other References for CVE-2021-4150 (2)

Same Patch Batch · n/a · 2022-03-23 · 65 CVEs total

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CVE-2022-27080 Tenda M3 命令注入漏洞
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CVE-2022-27078 Tenda M3 命令注入漏洞
CVE-2020-20096 Meta Facebook Messenger 安全漏洞
CVE-2020-20095 Apple iMessage iOS 安全漏洞
CVE-2020-20094 Meta Facebook Messenger 安全漏洞
CVE-2020-20093 Meta Facebook Messenger 安全漏洞
CVE-2022-25041 OpenEMR 安全漏洞
CVE-2022-25267 Passwork On-Premise Edition 路径遍历漏洞
CVE-2022-24934 Kingsoft WPS 代码注入漏洞
CVE-2022-22819 Nxp Semiconductors Nxp Lpc55S69 安全漏洞
CVE-2022-27254 Honda Civic 安全漏洞
CVE-2022-23881 ZZZCMS zzzphp 安全漏洞
CVE-2022-23880 Taocms 代码问题漏洞
CVE-2022-22952 VMware Carbon Black App Control 代码问题漏洞
CVE-2022-22951 VMware Carbon Black App Control 操作系统命令注入漏洞
CVE-2021-4149 Linux kernel 竞争条件问题漏洞
CVE-2021-4148 Linux kernel 安全漏洞

Showing top 20 of 65 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: kernel
Same vendor: n/a
Same weakness: CWE-416

V. Comments for CVE-2021-4150

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