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CVE-2022-0433

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。 Linux kernel 5.17-rc1 之前版本的BPF 存在安全漏洞，攻击者可以通过 map_get_next_key()函数 在 Linux 内核上强制取消引用 NULL 指针，以触发拒绝服务。

AI Predicted 5.6 Difficulty: Moderate EPSS 0.29% · P20
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I. Basic Information for CVE-2022-0433

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A NULL pointer dereference flaw was found in the Linux kernel's BPF subsystem in the way a user triggers the map_get_next_key function of the BPF bloom filter. This flaw allows a local user to crash the system. This flaw affects Linux kernel versions prior to 5.17-rc1.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对未经初始化资源的使用
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 代码问题漏洞
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。 Linux kernel 5.17-rc1 之前版本的BPF 存在安全漏洞，攻击者可以通过 map_get_next_key()函数 在 Linux 内核上强制取消引用 NULL 指针，以触发拒绝服务。
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 Linux kernel versions prior to 5.17-rc1 -

II. Public POCs for CVE-2022-0433

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III. Intelligence Information for CVE-2022-0433

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Patches & Fixes for CVE-2022-0433 (1)

Vendor Advisories for CVE-2022-0433 (1)

Other References for CVE-2022-0433 (1)

Same Patch Batch · n/a · 2022-03-09 · 50 CVEs total

CVE-2022-24960 6.5 MEDIUM Use after free vulnerability in PDFTron SDK
CVE-2022-26778 5.3 MEDIUM Veritas System Recovery安全漏洞
CVE-2022-0204 BlueZ 输入验证错误漏洞
CVE-2022-25552 Tenda AX1806 缓冲区错误漏洞
CVE-2021-44631 TP-Link WR886N 安全漏洞
CVE-2021-44627 TP-LINK WR-886N 安全漏洞
CVE-2021-44629 TP-LINK WR-886N 安全漏洞
CVE-2021-44628 TP-Link WR886N 安全漏洞
CVE-2021-44630 TP-Link WR886N 安全漏洞
CVE-2022-25566 Tenda AX1806 缓冲区错误漏洞
CVE-2022-25561 Tenda AX12 缓冲区错误漏洞
CVE-2022-25560 Tenda AX12 缓冲区错误漏洞
CVE-2022-25558 Tenda AX1806 缓冲区错误漏洞
CVE-2022-25557 Tenda AX1806 缓冲区错误漏洞
CVE-2022-25556 Tenda AX12 缓冲区错误漏洞
CVE-2022-25555 Tenda AX1806 缓冲区错误漏洞
CVE-2022-25547 Tenda AX1806 缓冲区错误漏洞
CVE-2022-25554 Tenda AX1806 缓冲区错误漏洞
CVE-2022-25553 Tenda AX1806 缓冲区错误漏洞
CVE-2021-44632 TP-Link WR886N 安全漏洞

Showing top 20 of 50 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: kernel
Same vendor: n/a
Same weakness: CWE-908

V. Comments for CVE-2022-0433

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