CVE-2021-47087

Description

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.

Reserved 2024-02-29 | Published 2024-03-04 | Updated 2024-12-19 | Assigner Linux

Product status

Default status
unaffected

3c712f14d8a9354a8807c15c64c8dd334499cc42 before 806142c805cacd098e61bdc0f72c778a2389fe4a
affected

1340dc3fb75ea69221f4f5dcb0cbace55ad0331c before ad338d825e3f7b96ee542bf313728af2d19fe9ad
affected

ec185dd3ab257dc2a60953fdf1b6622f524cc5b7 before 91e94e42f6fc49635f1a16d8ae3f79552bcfda29
affected

ec185dd3ab257dc2a60953fdf1b6622f524cc5b7 before 18549bf4b21c739a9def39f27dcac53e27286ab5
affected

Default status
affected

5.14
affected

Any version before 5.14
unaffected

5.4.169
unaffected

5.10.89
unaffected

5.15.12
unaffected

5.16
unaffected

References

git.kernel.org/...c/806142c805cacd098e61bdc0f72c778a2389fe4a

git.kernel.org/...c/ad338d825e3f7b96ee542bf313728af2d19fe9ad

git.kernel.org/...c/91e94e42f6fc49635f1a16d8ae3f79552bcfda29

git.kernel.org/...c/18549bf4b21c739a9def39f27dcac53e27286ab5

cve.org (CVE-2021-47087)

nvd.nist.gov (CVE-2021-47087)

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