high7.8
CVE-2021-47087
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) …
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 5.4.140 before 5.4.169 from 5.10.58 before 5.10.89 from 5.14 before 5.15.12 Version 5.16 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/18549bf4b21c739a9def39f27dcac53e27286ab5
- https://git.kernel.org/stable/c/806142c805cacd098e61bdc0f72c778a2389fe4a
- https://git.kernel.org/stable/c/91e94e42f6fc49635f1a16d8ae3f79552bcfda29
- https://git.kernel.org/stable/c/ad338d825e3f7b96ee542bf313728af2d19fe9ad
- https://git.kernel.org/stable/c/18549bf4b21c739a9def39f27dcac53e27286ab5
- https://git.kernel.org/stable/c/806142c805cacd098e61bdc0f72c778a2389fe4a
- https://git.kernel.org/stable/c/91e94e42f6fc49635f1a16d8ae3f79552bcfda29
- https://git.kernel.org/stable/c/ad338d825e3f7b96ee542bf313728af2d19fe9ad