CVSS 3.1 Score 7.5 of 10 (high)


Published Nov 24, 2023
Updated: Mar 18, 2024
CWE ID 639


CVE-2023-49298 is a vulnerability found in OpenZFS versions 2.1.13 and 2.2.x through 2.2.1, which can potentially disable security mechanisms by replacing file contents with zero-valued bytes. This vulnerability may occur when certain applications rely on efficient copying of file data. The issue is not always security-related but can be in realistic situations, such as when using the 'cp' command to configure access control rules. The vulnerability occurs less frequently in version 2.2.1 and earlier versions due to default configurations. The potential danger it poses to organizations is considered high, with a base severity rating of HIGH and an integrity impact rating of HIGH according to [email protected]. Remediation for this vulnerability includes updating OpenZFS to a version that addresses the issue when available.

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