VULNERABILITY INTELLIGENCE

CVE-2021-47087

CVSS score7.8 HIGH
EPSS probability0.24%
CISA KEVNot currently listed
Published2024-03-04
Last modified2026-08-04
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-763

Primary references