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I. Basic Information for CVE-2025-21927
Vulnerability Information

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Vulnerability Title
nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu() nvme_tcp_recv_pdu() doesn't check the validity of the header length. When header digests are enabled, a target might send a packet with an invalid header length (e.g. 255), causing nvme_tcp_verify_hdgst() to access memory outside the allocated area and cause memory corruptions by overwriting it with the calculated digest. Fix this by rejecting packets with an unexpected header length.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
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,该漏洞源于未验证NVMe TCP PDU头长度。
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
LinuxLinux 3f2304f8c6d6ed97849057bd16fee99e434ca796 ~ 9fbc953d6b38bc824392e01850f0aeee3b348722 -
LinuxLinux 5.0 -
II. Public POCs for CVE-2025-21927
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III. Intelligence Information for CVE-2025-21927
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IV. Related Vulnerabilities
V. Comments for CVE-2025-21927

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