Texas Instruments FREERTOS Integer Overflow or Wraparound
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.
Summary
Texas Instruments devices running FREERTOS, malloc returns a valid pointer to a small buffer on extremely large values, which can trigger an integer overflow vulnerability in 'malloc' for FreeRTOS, resulting in code execution.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Texas Instruments | CC32XX | before 4.40.00.07 | 4.40.00.07 | Patch available | CNA |
| Texas Instruments | SimpleLink MSP432E4XX | all versions | — | No fix listed | CNA |
| Texas Instruments | SimpleLink-CC13XX | before 4.40.00 | 4.40.00 | Patch available | CNA |
| Texas Instruments | SimpleLink-CC26XX | before 4.40.00 | 4.40.00 | Patch available | CNA |
| Texas Instruments | SimpleLink-CC32XX | before 4.10.03 | 4.10.03 | Patch available | CNA |
- CC32XX VendorTexas Instruments Affected before 4.40.00.07 Fixed in 4.40.00.07 Patch available CNA
- SimpleLink MSP432E4XX VendorTexas Instruments Affected all versions Fixed in — No fix listed CNA
- SimpleLink-CC13XX VendorTexas Instruments Affected before 4.40.00 Fixed in 4.40.00 Patch available CNA
- SimpleLink-CC26XX VendorTexas Instruments Affected before 4.40.00 Fixed in 4.40.00 Patch available CNA
- SimpleLink-CC32XX VendorTexas Instruments Affected before 4.10.03 Fixed in 4.10.03 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:amazon:freertos:10.4.1:*:*:*:*:*:*:* | 10.4.1 | Vulnerable | AWS |
| cpe:2.3:a:ti:simplelink_cc13xx_software_development_kit:*:*:*:*:*:*:*:* | before 4.40.00 | Vulnerable | Texas Instruments |
| cpe:2.3:a:ti:simplelink_cc26xx_software_development_kit:*:*:*:*:*:*:*:* | before 4.40.00 | Vulnerable | Texas Instruments |
| cpe:2.3:a:ti:simplelink_cc32xx_software_development_kit:*:*:*:*:*:*:*:* | before 4.10.03 | Vulnerable | Texas Instruments |
| cpe:2.3:a:ti:simplelink_msp432e401y:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Texas Instruments |
| cpe:2.3:a:ti:simplelink_msp432e411y:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Texas Instruments |
- cpe:2.3:o:amazon:freertos:10.4.1:*:*:*:*:*:*:* Versions 10.4.1 Vulnerable ·AWS
- cpe:2.3:a:ti:simplelink_cc13xx_software_development_kit:*:*:*:*:*:*:*:* Versions before 4.40.00 Vulnerable ·Texas Instruments
- cpe:2.3:a:ti:simplelink_cc26xx_software_development_kit:*:*:*:*:*:*:*:* Versions before 4.40.00 Vulnerable ·Texas Instruments
- cpe:2.3:a:ti:simplelink_cc32xx_software_development_kit:*:*:*:*:*:*:*:* Versions before 4.10.03 Vulnerable ·Texas Instruments
- cpe:2.3:a:ti:simplelink_msp432e401y:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Texas Instruments
- cpe:2.3:a:ti:simplelink_msp432e411y:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Texas Instruments
Remediation
- Fix · CNA CC32XX (Texas Instruments) Fixed in 4.40.00.07
- Fix · CNA SimpleLink-CC13XX (Texas Instruments) Fixed in 4.40.00
- Fix · CNA SimpleLink-CC26XX (Texas Instruments) Fixed in 4.40.00
- Fix · CNA SimpleLink-CC32XX (Texas Instruments) Fixed in 4.10.03
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Texas Instruments CC32XX, SimpleLink-CC13XX and 2 more products 4.10.03, 4.40.00, 4.40.00.07
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2021-08987 Texas Instruments TI-RTOS Integer Overflow or WraparoundPriority LOW 34
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27504
- 2026-10-03 Alias added: GHSA-6627-82c3-q8c9
References
More Texas Instruments Simplelink Cc13xx Software Development Kit vulnerabilities
- TI-2021-08987 Texas Instruments TI-RTOS Integer Overflow or Wraparound CVSS 3.1HIGH 7.8
- TI-2021-08918 Texas Instruments TI-RTOS Integer Overflow or Wraparound CVSS 3.1HIGH 7.8
- TI-2021-05529 Texas Instruments TI-RTOS Integer Overflow or Wraparound CVSS 3.1HIGH 7.8
Sources
- CVE-2021-27504 · CVE Program
- CVE-2021-27504 · NVD
- FIRST EPSS
- GHSA-6627-82c3-q8c9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences