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CVE-2021-47087

Опубликовано: 04 мар. 2024
Источник: debian

Описание

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix incorrect page free bug Pointer to the allocated pages (struct page *page) has already progressed towards the end of allocation. It is incorrect to perform __free_pages(page, order) using this pointer as we would free any arbitrary pages. Fix this by stop modifying the page pointer.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
linuxfixed5.15.15-1package
linuxfixed5.10.92-1bullseyepackage
linuxnot-affectedbusterpackage

Примечания

  • https://git.kernel.org/linus/18549bf4b21c739a9def39f27dcac53e27286ab5 (5.16-rc7)

Связанные уязвимости

CVSS3: 7.8
ubuntu
больше 1 года назад

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix incorrect page free bug Pointer to the allocated pages (struct page *page) has already progressed towards the end of allocation. It is incorrect to perform __free_pages(page, order) using this pointer as we would free any arbitrary pages. Fix this by stop modifying the page pointer.

CVSS3: 6
redhat
больше 1 года назад

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix incorrect page free bug Pointer to the allocated pages (struct page *page) has already progressed towards the end of allocation. It is incorrect to perform __free_pages(page, order) using this pointer as we would free any arbitrary pages. Fix this by stop modifying the page pointer.

CVSS3: 7.8
nvd
больше 1 года назад

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix incorrect page free bug Pointer to the allocated pages (struct page *page) has already progressed towards the end of allocation. It is incorrect to perform __free_pages(page, order) using this pointer as we would free any arbitrary pages. Fix this by stop modifying the page pointer.

CVSS3: 7.8
github
больше 1 года назад

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix incorrect page free bug Pointer to the allocated pages (struct page *page) has already progressed towards the end of allocation. It is incorrect to perform __free_pages(page, order) using this pointer as we would free any arbitrary pages. Fix this by stop modifying the page pointer.

CVSS3: 5.5
fstec
больше 3 лет назад

Уязвимость компонента optee ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании