CVE-2023-53464
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-01

Last updated on: 2025-10-02

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: scsi: iscsi_tcp: Check that sock is valid before iscsi_set_param() The validity of sock should be checked before assignment to avoid incorrect values. Commit 57569c37f0ad ("scsi: iscsi: iscsi_tcp: Fix null-ptr-deref while calling getpeername()") introduced this change which may lead to inconsistent values of tcp_sw_conn->sendpage and conn->datadgst_en. Fix the issue by moving the position of the assignment.
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Meta Information
Published
2025-10-01
Last Modified
2025-10-02
Generated
2026-05-07
AI Q&A
2025-10-01
EPSS Evaluated
2026-05-05
NVD
CVE-2023-53464
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability in the Linux kernel's iscsi_tcp component involves not properly checking if a socket (sock) is valid before assigning it in the iscsi_set_param() function. This can lead to incorrect or inconsistent values in certain TCP connection parameters, potentially causing null pointer dereferences or other unexpected behavior.


How can this vulnerability impact me? :

The vulnerability may cause inconsistent or incorrect TCP connection states within the iscsi_tcp driver, which could lead to system instability, crashes, or unexpected behavior in systems using iSCSI over TCP. This could affect data transmission reliability or system availability.


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