CVE-2023-6238— Kernel: nvme: memory corruption via unprivileged user passthrough
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I. Basic Information for CVE-2023-6238
Vulnerability Information
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Vulnerability Title
Kernel: nvme: memory corruption via unprivileged user passthrough
Source: NVD (National Vulnerability Database)
Vulnerability Description
A buffer overflow vulnerability was found in the NVM Express (NVMe) driver in the Linux kernel. Only privileged user could specify a small meta buffer and let the device perform larger Direct Memory Access (DMA) into the same buffer, overwriting unrelated kernel memory, causing random kernel crashes and memory corruption.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
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，该漏洞源于 NVM Express (NVMe) 驱动程序中发现缓冲区溢出漏洞。
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 |
|---|---|---|---|---|
| - | kernel | - | - | |
| 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 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Fedora | Fedora | - | - |
II. Public POCs for CVE-2023-6238
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2023-11-21 · 7 CVEs total
| CVE-2023-49103 | 10.0 CRITICAL | ownCloud 安全漏洞 |
| CVE-2023-49105 | 9.8 CRITICAL | ownCloud 安全漏洞 |
| CVE-2023-49104 | 8.7 HIGH | ownCloud 安全漏洞 |
| CVE-2023-45886 | F5 BIG-IP和BIG-IQ 安全漏洞 | |
| CVE-2023-46935 | EyouCms 安全漏洞 | |
| CVE-2023-48124 | SUP Online Shopping 安全漏洞 |
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V. Comments for CVE-2023-6238
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