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I. Basic Information for CVE-2023-6121
Vulnerability Information
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Vulnerability Title
Kernel: nvme: info leak due to out-of-bounds read in nvmet_ctrl_find_get
Source: NVD (National Vulnerability Database)
Vulnerability Description
An out-of-bounds read vulnerability was found in the NVMe-oF/TCP subsystem in the Linux kernel. This issue may allow a remote attacker to send a crafted TCP packet, triggering a heap-based buffer overflow that results in kmalloc data being printed and potentially leaked to the kernel ring buffer (dmesg).
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
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。TCP（Transmission Control Protocol,传输控制协议）是一种面向连接的、可靠的、基于字节流的传输层通信协议，由IETF的RFC 793定义。 Linux kernel存在安全漏洞，该漏洞源于NVMe of/TCP 子系统存在越界读取漏洞。
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
VendorProductAffected VersionsCPESubscribe
Red HatRed Hat Enterprise Linux 8 0:4.18.0-553.rt7.342.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::realtime
Red HatRed Hat Enterprise Linux 8 0:4.18.0-553.el8_10 ~ * cpe:/o:redhat:enterprise_linux:8::baseos
Red HatRed Hat Enterprise Linux 9 0:5.14.0-427.13.1.el9_4 ~ * cpe:/o:redhat:enterprise_linux:9::baseos
Red HatRed Hat Enterprise Linux 9 0:5.14.0-427.13.1.el9_4 ~ * cpe:/o:redhat:enterprise_linux:9::baseos
Red HatRed Hat Enterprise Linux 6-cpe:/o:redhat:enterprise_linux:6
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7
Red HatRed Hat Enterprise Linux 9-cpe:/o:redhat:enterprise_linux:9
II. Public POCs for CVE-2023-6121
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III. Intelligence Information for CVE-2023-6121
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IV. Related Vulnerabilities
Same product: Red Hat Enterprise Linux 8
Same vendor: Red Hat
Same weakness: CWE-125
V. Comments for CVE-2023-6121

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