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CVE-2021-3764

Quick assessment

Affected
n/a Linux 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 存在安全漏洞，该漏洞源于攻击者可以通过 ccp_run_aes_gcm_cmd() 创建 Linux kernel 的内存泄漏，以触发拒绝服务。

AI Predicted 5.9 Difficulty: Moderate EPSS 0.27% · P17

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-3764

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The highest threat from this vulnerability is to system availability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
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 存在安全漏洞，该漏洞源于攻击者可以通过 ccp_run_aes_gcm_cmd() 创建 Linux kernel 的内存泄漏，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
- Linux Kernel Fixed in v5.15-rc4 -

II. Public POCs for CVE-2021-3764

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III. Intelligence Information for CVE-2021-3764

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Patches & Fixes for CVE-2021-3764 (1)

Vendor Advisories for CVE-2021-3764 (3)

Same Patch Batch · n/a · 2022-08-23 · 54 CVEs total

CVE-2022-24381 7.5 HIGH Denial of Service (DoS)
CVE-2022-25888 7.5 HIGH Denial of Service (DoS)
CVE-2022-25761 7.5 HIGH Denial of Service (DoS)
CVE-2022-24298 7.5 HIGH Denial of Service (DoS)
CVE-2022-21208 7.5 HIGH Denial of Service (DoS)
CVE-2022-25231 7.5 HIGH Denial of Service (DoS)
CVE-2022-25304 7.5 HIGH Denial of Service (DoS)
CVE-2022-25302 7.5 HIGH Denial of Service (DoS)
CVE-2022-37428 6.5 MEDIUM PowerDNS Recursor 安全漏洞
CVE-2021-3839 DPDK 缓冲区错误漏洞
CVE-2021-3670 Samba ldb 安全漏洞
CVE-2022-35115 IceWarp WebClient SQL注入漏洞
CVE-2020-35509 Red Hat Keycloak 信任管理问题漏洞
CVE-2021-3827 Red Hat Keycloak 授权问题漏洞
CVE-2022-37111 BlueCMS SQL注入漏洞
CVE-2022-37112 BlueCMS SQL注入漏洞
CVE-2022-37113 BlueCMS SQL注入漏洞
CVE-2022-37223 jfinal cms SQL注入漏洞
CVE-2022-37199 jfinal cms SQL注入漏洞
CVE-2022-36261 taoCMS 路径遍历漏洞

Showing top 20 of 54 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux Kernel
Same vendor: n/a
Same weakness: CWE-400

V. Comments for CVE-2021-3764

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