Security Advisory
CVE-2021-47087
7.8
HIGH
Vulnerability 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.
Published Date
March 4, 2024
Official Source
NIST NVD Advisory