CVE-2021-47087
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
tee: optee: Fix incorrect page free bug
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 3c712f14d8a9354a8807c15c64c8dd334499cc42 | affected | git | 806142c805cacd098e61bdc0f72c778a2389fe4a | Unavailable | None listed |
| 1340dc3fb75ea69221f4f5dcb0cbace55ad0331c | affected | git | ad338d825e3f7b96ee542bf313728af2d19fe9ad | Unavailable | None listed |
| ec185dd3ab257dc2a60953fdf1b6622f524cc5b7 | affected | git | 91e94e42f6fc49635f1a16d8ae3f79552bcfda29 | Unavailable | None listed |
| ec185dd3ab257dc2a60953fdf1b6622f524cc5b7 | affected | git | 18549bf4b21c739a9def39f27dcac53e27286ab5 | Unavailable | None listed |
| 255e17923b22cb7abd026e044416d61f6bd0eec0 | affected | git | Unavailable | Unavailable | None listed |
| 5.4.140 | affected | semver | 5.4.169 | Unavailable | None listed |
| 5.10.58 | affected | semver | 5.10.89 | Unavailable | None listed |
| 5.13.10 | affected | semver | 5.14 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.14 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.14 | Unavailable | None listed |
| 5.4.169 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.89 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.12 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.16 | unaffected | original_commit_for_fix | Unavailable | * | None listed |