tee: optee: Fix incorrect page free bug
Summary
| CVE | CVE-2021-47087 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2024-03-04 18:15:07 UTC |
| Updated | 2026-08-04 10:16:44 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 7.8 HIGH from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Problem Types: CWE-763
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | Secondary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | DECLARED | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 3c712f14d8a9354a8807c15c64c8dd334499cc42 806142c805cacd098e61bdc0f72c778a2389fe4a git | Not specified |
| CNA | Linux | Linux | affected 1340dc3fb75ea69221f4f5dcb0cbace55ad0331c ad338d825e3f7b96ee542bf313728af2d19fe9ad git | Not specified |
| CNA | Linux | Linux | affected ec185dd3ab257dc2a60953fdf1b6622f524cc5b7 91e94e42f6fc49635f1a16d8ae3f79552bcfda29 git | Not specified |
| CNA | Linux | Linux | affected ec185dd3ab257dc2a60953fdf1b6622f524cc5b7 18549bf4b21c739a9def39f27dcac53e27286ab5 git | Not specified |
| CNA | Linux | Linux | affected 255e17923b22cb7abd026e044416d61f6bd0eec0 git | Not specified |
| CNA | Linux | Linux | affected 5.4.140 5.4.169 semver | Not specified |
| CNA | Linux | Linux | affected 5.10.58 5.10.89 semver | Not specified |
| CNA | Linux | Linux | affected 5.13.10 5.14 semver | Not specified |
| CNA | Linux | Linux | affected 5.14 | Not specified |
| CNA | Linux | Linux | unaffected 5.14 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.4.169 5.4.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.89 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.12 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.16 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/91e94e42f6fc49635f1a16d8ae3f79552bcfda29 | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch |
| git.kernel.org/stable/c/806142c805cacd098e61bdc0f72c778a2389fe4a | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch |
| git.kernel.org/stable/c/18549bf4b21c739a9def39f27dcac53e27286ab5 | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch |
| git.kernel.org/stable/c/ad338d825e3f7b96ee542bf313728af2d19fe9ad | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.