TI-2021-05577 Aliases CVE-2021-22684 GHSA-4cwm-fmh5-v7xw

Integer overflow in Tizen RT RTOS

LOW 35CWE-190Published 2021-08-31 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.

Summary

Tizen RT RTOS version 3.0.GBB is vulnerable to integer wrap-around in functions_calloc and mm_zalloc. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash

Why it matters now

EPSS 0.01105 65th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

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
—	Tizen RT RTOS	Version 3.0	—	No fix listed	CNA

Tizen RT RTOS Vendor— Affected Version 3.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:samsung:tizenrt::::::::	up to 3.0	Vulnerable	Samsung

cpe:2.3:o:samsung:tizenrt:*:*:*:*:*:*:*:* Versions up to 3.0 Vulnerable ·Samsung

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-22684
2026-10-03 Alias added: GHSA-4cwm-fmh5-v7xw

References

Advisory 1

https://us-cert.cisa.gov/ics/advisories/icsa-21-119-04

TI-2022-19120 An issue was discovered in Samsung TizenRT through 3.0_GBM (and 3.1_PRE). CVSS 3.1HIGH 7.5
TI-2022-19119 An issue was discovered in Samsung TizenRT through 3.0_GBM (and 3.1_PRE). CVSS 3.1HIGH 7.5
TI-2022-19121 An issue was discovered in Samsung TizenRT through 3.0_GBM (and 3.1_PRE). CVSS 3.1HIGH 7.5
TI-2022-19122 An issue was discovered in Samsung TizenRT through 3.0_GBM (and 3.1_PRE). CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences