Threats Tagged 'cve-2025-0686'
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Threats Tagged 'cve-2025-0686'
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0 A flaw was found in grub2. When performing a symlink lookup from a romfs filesystem, grub's romfs filesystem 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 grub_romfs_read_symlink() may cause out-of-bounds writes when the calling grub_disk_read() function. This issue may be leveraged to corrupt grub's internal critical data and can result in arbitrary code execution by-passing secure boot protections. Join the discussion | CVE Database V5 | 03/03/2025, 17:14:30 UTC Added: 07/05/2025, 05:54:28 UTC |
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