CVE-2023-3301— Triggerable assertion due to race condition in hot-unplug
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I. Basic Information for CVE-2023-3301
Vulnerability Information
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Vulnerability Title
Triggerable assertion due to race condition in hot-unplug
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
可达断言
Source: NVD (National Vulnerability Database)
Vulnerability Title
QEMU 竞争条件问题漏洞
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存在安全漏洞，该漏洞源于vhost_vdpa_get_vhost_net（）函数存在空指针取消引用问题。
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 | 8.1.0-rc0 | - | |
| Red Hat | Red Hat Enterprise Linux 6 | - | cpe:/o:redhat:enterprise_linux:6 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization | - | cpe:/a:redhat:advanced_virtualization:8::el8 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Red Hat | Red Hat OpenStack Platform 13 (Queens) | - | cpe:/a:redhat:openstack:13 | |
| Fedora | Extra Packages for Enterprise Linux | - | - | |
| Fedora | Fedora | - | - |
II. Public POCs for CVE-2023-3301
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2023-09-13 · 12 CVEs total
| CVE-2023-2680 | 7.5 HIGH | Dma reentrancy issue (incomplete fix for cve-2021-3750) |
| CVE-2023-4155 | 5.3 MEDIUM | Sev-es / sev-snp vmgexit double fetch vulnerability |
| CVE-2023-41162 | Webmin Usermin 跨站脚本漏洞 | |
| CVE-2023-41158 | Webmin Usermin 跨站脚本漏洞 | |
| CVE-2023-41155 | Usermin 跨站脚本漏洞 | |
| CVE-2023-41154 | Usermin 跨站脚本漏洞 | |
| CVE-2023-41152 | Webmin Usermin 跨站脚本漏洞 | |
| CVE-2023-40617 | Open Knowledge Maps Head Start 7 跨站脚本漏洞 | |
| CVE-2023-42468 | Color Phone 安全漏洞 | |
| CVE-2023-40850 | Netcon NS-ASG 安全漏洞 | |
| CVE-2023-42469 | com.full.dialer.top.secure.crypted 安全漏洞 |
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Same weakness: CWE-617
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V. Comments for CVE-2023-3301
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