CVE-2021-3975
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I. Basic Information for CVE-2021-3975
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 libvirt. The qemuMonitorUnregister() function in qemuProcessHandleMonitorEOF is called using multiple threads without being adequately protected by a monitor lock. This flaw could be triggered by the virConnectGetAllDomainStats API when the guest is shutting down. An unprivileged client with a read-only connection could use this flaw to perform a denial of service attack by causing the libvirt daemon to crash.
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
Red Hat libvirt 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat libvirt是美国红帽（Red Hat）公司的一个用于实现Linux虚拟化功能的Linux API，它支持各种Hypervisor，包括Xen和KVM，以及QEMU和用于其他操作系统的一些虚拟产品。 Red Hat libvirt 存在资源管理错误漏洞，该漏洞源于 VM 关闭期间的分段错误会导致 vdsm 挂起 [NEEDINFO]。
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 |
|---|---|---|---|---|
| - | libvirt | Fixed in libvirt v7.1.0 | - |
II. Public POCs for CVE-2021-3975
| # | POC Description | Source Link | Shenlong Link |
|---|
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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-2021-3690 | Red Hat JBoss Enterprise Application Platform资源管理错误漏洞 | |
| 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-2021-3798 | openCryptoki 安全漏洞 | |
| 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 |
Showing top 20 of 54 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
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Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2021-3975
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