CVE-2021-47087
CVE-2021-47087CVE-2021-47087
linux / linux_kernel
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.
Scoring
| CVSS | 7.8 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Last modified | 2026-08-04 |