CVE-2021-47087
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-47087
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-47087.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-47087
- Downstream
- Related
- Published
- 2024-03-04T18:15:07Z
- Modified
- 2025-08-09T20:01:26Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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 _freepages(page, order) using this pointer as we would free any arbitrary pages. Fix this by stop modifying the page pointer.
- References