CVE-2021-47087

linux: In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix incorrect page free bug Pointer...

CVE-2021-47087 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47087, released March 4, 2024. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0024
14th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
linux · Debian 12.15 (bookworm) 5.15.15-1 DEBIAN-CVE-2021-47087 Mar 4, 2024
linux · Debian 13.5 (trixie) 5.15.15-1 DEBIAN-CVE-2021-47087 Mar 4, 2024
linux · Debian 14 5.15.15-1 DEBIAN-CVE-2021-47087 Mar 4, 2024

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.