VYPR
Unrated severityNVD Advisory· Published Aug 9, 2023· Updated Nov 14, 2025

Kernel: exfat: stack overflow in exfat_get_uniname_from_ext_entry

CVE-2023-4273

Description

A flaw was found in the exFAT driver of the Linux kernel. The vulnerability exists in the implementation of the file name reconstruction function, which is responsible for reading file name entries from a directory index and merging file name parts belonging to one file into a single long file name. Since the file name characters are copied into a stack variable, a local privileged attacker could use this flaw to overflow the kernel stack.

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Affected products

208

Patches

Vulnerability mechanics

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