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CVE-2025-40293

Опубликовано: 09 дек. 2025
Источник: msrc
CVSS3: 5.5
EPSS Низкий

Описание

iommufd: Don't overflow during division for dirty tracking

EPSS

Процентиль: 11%
0.00037
Низкий

5.5 Medium

CVSS3

Связанные уязвимости

ubuntu
около 2 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: iommufd: Don't overflow during division for dirty tracking If pgshift is 63 then BITS_PER_TYPE(*bitmap->bitmap) * pgsize will overflow to 0 and this triggers divide by 0. In this case the index should just be 0, so reorganize things to divide by shift and avoid hitting any overflows.

nvd
около 2 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: iommufd: Don't overflow during division for dirty tracking If pgshift is 63 then BITS_PER_TYPE(*bitmap->bitmap) * pgsize will overflow to 0 and this triggers divide by 0. In this case the index should just be 0, so reorganize things to divide by shift and avoid hitting any overflows.

debian
около 2 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: i ...

github
около 2 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: iommufd: Don't overflow during division for dirty tracking If pgshift is 63 then BITS_PER_TYPE(*bitmap->bitmap) * pgsize will overflow to 0 and this triggers divide by 0. In this case the index should just be 0, so reorganize things to divide by shift and avoid hitting any overflows.

oracle-oval
23 дня назад

ELSA-2026-50006: Unbreakable Enterprise kernel security update (IMPORTANT)

EPSS

Процентиль: 11%
0.00037
Низкий

5.5 Medium

CVSS3