CVE-2021-47087
Assigner: Linux
Published: 2024-03-04T18:10:17.107Z
State: PUBLISHED
descriptions: value: 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.
affected: product: Linux
vendor: Linux
defaultStatus: unaffected
repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
versions: version: 3c712f14d8a9
lessThan: 806142c805ca
status: affected
versionType: git
version: 1340dc3fb75e
lessThan: ad338d825e3f
status: affected
versionType: git
version: ec185dd3ab25
lessThan: 91e94e42f6fc
status: affected
versionType: git
version: ec185dd3ab25
lessThan: 18549bf4b21c
status: affected
versionType: git
product: Linux
vendor: Linux
defaultStatus: affected
repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
versions: version: 5.14
status: affected
version: 0
lessThan: 5.14
status: unaffected
versionType: custom
version: 5.4.169
lessThanOrEqual: 5.4.*
status: unaffected
versionType: custom
version: 5.10.89
lessThanOrEqual: 5.10.*
status: unaffected
versionType: custom
version: 5.15.12
lessThanOrEqual: 5.15.*
status: unaffected
versionType: custom
version: 5.16
lessThanOrEqual: *
status: unaffected
versionType: original_commit_for_fix
title: tee: optee: Fix incorrect page free bug
x_generator: engine: bippy-851b3ed3d212