CVE-2025-0678 Detail
Modified
This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes. DescriptionA flaw was found in grub2. When reading data from a squash4 filesystem, grub's squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub's internal critical data and may result in arbitrary code execution, by-passing secure boot protections. Metrics
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CVSS 3.x Severity and Vector Strings:
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Weakness Enumeration
Known Affected Software Configurations Switch to CPE 2.2 Configuration 1 ( hide )
Configuration 2 ( hide )
Denotes Vulnerable Software Quick InfoCVE Dictionary Entry:CVE-2025-0678 NVD Published Date: 03/03/2025 NVD Last Modified: 03/25/2025 Source: Red Hat, Inc. |
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