CVE-2021-29657
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I. Basic Information for CVE-2021-29657
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
arch/x86/kvm/svm/nested.c in the Linux kernel before 5.11.12 has a use-after-free in which an AMD KVM guest can bypass access control on host OS MSRs when there are nested guests, aka CID-a58d9166a756. This occurs because of a TOCTOU race condition associated with a VMCB12 double fetch in nested_svm_vmrun.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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，攻击者可利用该漏洞控制绕过限制，以升级他在主机系统上的特权。
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-2021-29657
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://security.netapp.com/advisory/ntap-20210902-0008/x_refsource_CONFIRM
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.12x_refsource_CONFIRM
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2177x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-29657
Same Patch Batch · n/a · 2021-07-22 · 58 CVEs total
| CVE-2021-36222 | MIT Kerberos 代码问题漏洞 | |
| CVE-2020-22284 | lwip 安全漏洞 | |
| CVE-2021-34261 | STMicroelectronics STM32Cube 安全漏洞 | |
| CVE-2021-34260 | STMicroelectronics STM32Cube 缓冲区错误漏洞 | |
| CVE-2021-34259 | STMicroelectronics STM32Cube Middleware 安全漏洞 | |
| CVE-2021-34262 | STMicroelectronics STM32Cube 缓冲区错误漏洞 | |
| CVE-2021-26224 | SourceCodester Fantastic-Blog-CMS 跨站脚本漏洞 | |
| CVE-2021-26223 | CASAP Automated Enrollment SQL注入漏洞 | |
| CVE-2021-33032 | EQ-3 eQ-3 HomeMatic CCU2 和 CCU3 操作系统命令注入漏洞 | |
| CVE-2020-36033 | Sourcecodester SourceCodester Water Billing System SQL注入漏洞 | |
| CVE-2021-27332 | CASAP Automated Enrollment 跨站脚本漏洞 | |
| CVE-2021-25197 | SourceCodester Content Management System 跨站脚本漏洞 | |
| CVE-2015-2098 | WebGate eDVR Manager 缓冲区溢出漏洞 | |
| CVE-2015-2099 | webgateinc WebGate Control Center 缓冲区溢出漏洞 | |
| CVE-2021-25202 | Bakeshop Inventory System SQL注入漏洞 | |
| CVE-2021-35464 | ForgeRock AM 代码问题漏洞 | |
| CVE-2015-2100 | webgateinc WebGate Control Center 缓冲区错误漏洞 | |
| CVE-2021-26226 | CASAP Automated Enrollment SQL注入漏洞 | |
| CVE-2021-35063 | Suricata 安全漏洞 | |
| CVE-2021-33478 | Broadcom Media exChange 缓冲区错误漏洞 |
Showing top 20 of 58 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-29657
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