CVE-2021-3392
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I. Basic Information for CVE-2021-3392
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A use-after-free flaw was found in the MegaRAID emulator of QEMU. This issue occurs while processing SCSI I/O requests in the case of an error mptsas_free_request() that does not dequeue the request object 'req' from a pending requests queue. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. Versions between 2.10.0 and 5.2.0 are potentially affected.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
QEMU 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 qemu 5.2.0-2 存在资源管理错误漏洞，攻击者可使用此漏洞使主机上的QEMU进程崩溃，从而导致拒绝服务的情况。
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 |
|---|---|---|---|---|
| - | QEMU | between 2.10.0 and 5.2.0 | - |
II. Public POCs for CVE-2021-3392
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- https://security.netapp.com/advisory/ntap-20210507-0001/x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1924042x_refsource_MISC
- https://bugs.launchpad.net/qemu/+bug/1914236x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3392
Same Patch Batch · n/a · 2021-03-23 · 39 CVEs total
| CVE-2021-29068 | 9.9 CRITICAL | Netgear NETGEAR 缓冲区错误漏洞 |
| CVE-2021-29066 | 9.6 CRITICAL | Netgear NETGEAR 授权问题漏洞 |
| CVE-2021-29067 | 9.6 CRITICAL | Netgear NETGEAR 授权问题漏洞 |
| CVE-2021-29065 | 9.6 CRITICAL | Netgear NETGEAR RBR850 授权问题漏洞 |
| CVE-2021-29071 | 9.6 CRITICAL | Netgear NETGEAR 命令注入漏洞 |
| CVE-2021-29076 | 9.6 CRITICAL | Netgear NETGEAR 命令注入漏洞 |
| CVE-2021-29077 | 9.6 CRITICAL | 多款Netgear产品命令注入漏洞 |
| CVE-2021-29078 | 9.6 CRITICAL | 多款Netgear产品命令注入漏洞 |
| CVE-2021-29079 | 9.6 CRITICAL | Netgear NETGEAR 命令注入漏洞 |
| CVE-2021-29082 | 9.6 CRITICAL | 多款Netgear产品信息泄露漏洞 |
| CVE-2021-29075 | 8.4 HIGH | 多款Netgear产品缓冲区错误漏洞 |
| CVE-2021-29074 | 8.4 HIGH | NETGEAR 多款产品缓冲区错误漏洞 |
| CVE-2021-29072 | 8.4 HIGH | Netgear NETGEAR 命令注入漏洞 |
| CVE-2021-29070 | 8.4 HIGH | Netgear NETGEAR 命令注入漏洞 |
| CVE-2021-29081 | 8.4 HIGH | 多款Netgear产品缓冲区错误漏洞 |
| CVE-2021-29080 | 8.1 HIGH | Netgear NETGEAR 授权问题漏洞 |
| CVE-2021-29073 | 7.6 HIGH | Netgear NETGEAR 缓冲区错误漏洞 |
| CVE-2020-28503 | 7.3 HIGH | Prototype Pollution |
| CVE-2021-29069 | 7.3 HIGH | 多款Netgear产品命令注入漏洞 |
| CVE-2021-23362 | 5.3 MEDIUM | Regular Expression Denial of Service (ReDoS) |
Showing top 20 of 39 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-3392
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