Vulnerability Details : CVE-2023-52454

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length If the host sends an H2CData command with an invalid DATAL, the kernel may crash in nvmet_tcp_build_pdu_iovec(). Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 lr : nvmet_tcp_io_work+0x6ac/0x718 [nvmet_tcp] Call trace: process_one_work+0x174/0x3c8 worker_thread+0x2d0/0x3e8 kthread+0x104/0x110 Fix the bug by raising a fatal error if DATAL isn't coherent with the packet size. Also, the PDU length should never exceed the MAXH2CDATA parameter which has been communicated to the host in nvmet_tcp_handle_icreq().
Published 2024-02-23 15:15:08
Updated 2024-11-04 13:16:31
Source Linux
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Products affected by CVE-2023-52454

Exploit prediction scoring system (EPSS) score for CVE-2023-52454

EPSS FAQ
0.01%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 1 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-52454

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.5
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1.8
3.6
 NIST 2024-04-19

CWE ids for CVE-2023-52454

References for CVE-2023-52454

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