Threats Tagged 'ubuntu-cve-2025-38688'
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Threats Tagged 'ubuntu-cve-2025-38688'
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In the Linux kernel, the following vulnerability has been resolved: iommufd: Prevent ALIGN() overflow When allocating IOVA the candidate range gets aligned to the target alignment. If the range is close to ULONG_MAX then the ALIGN() can wrap resulting in a corrupted iova. Open code the ALIGN() using get_add_overflow() to prevent this. This simplifies the checks as we don't need to check for length earlier either. Consolidate the two copies of this code under a single helper. This bug would allow userspace to create a mapping that overlaps with some other mapping or a reserved range. Join the discussion | GCVE Database | 09/04/2025, 16:15:00 UTC Added: 07/31/2026, 15:42:52 UTC |
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