CVE-2021-22379
Description
There is an Integer Underflow (Wrap or Wraparound) Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause DoS of Samgr.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Integer underflow vulnerability in Huawei Smartphone could allow denial of service (DoS) of Samgr.
Vulnerability
Integer underflow (wrap or wraparound) vulnerability exists in Huawei Smartphone. Successful exploitation may cause DoS of Samgr. Affected versions are not specified in available references.
Exploitation
An attacker could exploit this vulnerability by sending specially crafted data to the affected device. No authentication is mentioned; exploitation may require user interaction or network access.
Impact
Successful exploitation causes denial of service (DoS) of Samgr, leading to system instability or crash.
Mitigation
Huawei has released security updates in the June 2021 security bulletin [1]. Users should update their devices to the latest firmware version available.
AI Insight generated on May 27, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
3- Huawei/Magic UIv5Range: 4.0.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- consumer.huawei.com/en/support/bulletin/2021/6/mitrex_refsource_MISC
News mentions
0No linked articles in our index yet.