Security readout for executives and security teams
Plain-English summary
This vulnerability is a buffer overflow in Linaro/OP-TEE affecting OP-TEE 3.3.0 and earlier. The reported impact is code execution inside the TEE core kernel context, which is sensitive because OP-TEE protects trusted execution functions. The source names OP-TEE 3.4.0 and later as fixed.
Executive priority
Treat as high priority for products relying on OP-TEE because the stated impact is code execution in trusted kernel context. Prioritize firmware inventory and vendor update confirmation. Do not assume broad exposure without evidence that OP-TEE 3.3.0 or earlier is present.
Technical view
CVE-2019-1010297 affects the optee_os component in Linaro/OP-TEE 3.3.0 and earlier. The CVE record describes a buffer overflow with potential execution of code in TEE core kernel context. No CVSS vector, CWE, or exploit details are provided in the supplied sources.
Likely exposure
Exposure is limited to systems that ship or build Linaro/OP-TEE 3.3.0 or earlier. Practical exposure depends on each device firmware, BSP, or platform integration. The supplied sources do not identify specific downstream products, device models, or distributions.
Exploitation context
The supplied bundle does not show active exploitation, and KEV is false. The impact is serious because successful exploitation would occur in TEE core kernel context, but the sources do not provide attacker prerequisites, reachable interfaces, or exploit maturity.
Researcher notes
Key gaps are missing CVSS, CWE classification, exploit prerequisites, and downstream product mapping. Research should focus on identifying OP-TEE version provenance in firmware, whether the fixing commit is present, and whether platform-specific interfaces expose the vulnerable path.
Mitigation direction
- Upgrade OP-TEE to version 3.4.0 or later.
- Request fixed firmware or BSP updates from the device or platform vendor.
- Check vendor guidance before applying downstream patches.
- Track affected firmware images until all builds include the fixed optee_os.
Validation and detection
- Inventory products and firmware builds that include OP-TEE.
- Confirm whether optee_os is version 3.3.0 or earlier.
- Verify the fixing commit or OP-TEE 3.4.0 is present.
- Check vendor advisories for device-specific exposure and update paths.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-1010297 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/OP-TEE/optee_os/commit/a637243270fc1faae16de059091795c32d86e65eCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.