CVE-2021-47087
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedMar 4, 2024
First seenMar 4, 2024
How to fix
Update
- linux linux_kernel5.4.169, 5.10.89, 5.15.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.4.140 ≤ v < 5.4.169, 5.10.58 ≤ v < 5.10.89, 5.14 ≤ v < 5.15.12, 5.16 | 5.4.169, 5.10.89, 5.15.12 |
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