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Unrated severityNVD Advisory· Published Nov 1, 2023· Updated Feb 27, 2025

Use-after-free in smb2_is_status_io_timeout()

CVE-2023-1192

Description

A use-after-free flaw was found in smb2_is_status_io_timeout() in CIFS in the Linux Kernel. After CIFS transfers response data to a system call, there are still local variable points to the memory region, and if the system call frees it faster than CIFS uses it, CIFS will access a free memory region, leading to a denial of service.

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Affected products

322

Patches

Vulnerability mechanics

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