CVE-2021-47087

2024-03-0418:15:07

Debian Security Bug Tracker

security-tracker.debian.org

cve-2021-47087

pointer vulnerability

linux kernel

7.3 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.5%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian12alllinux< 5.15.15-1linux_5.15.15-1_all.deb
Debian11alllinux< 5.10.92-1linux_5.10.92-1_all.deb
Debian999alllinux< 5.15.15-1linux_5.15.15-1_all.deb
Debian13alllinux< 5.15.15-1linux_5.15.15-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	linux	< 5.15.15-1	linux_5.15.15-1_all.deb
Debian	11	all	linux	< 5.10.92-1	linux_5.10.92-1_all.deb
Debian	999	all	linux	< 5.15.15-1	linux_5.15.15-1_all.deb
Debian	13	all	linux	< 5.15.15-1	linux_5.15.15-1_all.deb