CVE-2021-36994
Description
There is a issue that trustlist strings being repeatedly inserted into the linked list in Huawei Smartphone due to race conditions. Successful exploitation of this vulnerability can cause exceptions when managing the system trustlist.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
A race condition in Huawei smartphones allows repeated insertion of trustlist strings into a linked list, causing exceptions during system trustlist management.
Vulnerability
A race condition exists in the trustlist management of Huawei smartphones, where trustlist strings can be repeatedly inserted into a linked list due to concurrent access. This issue affects Huawei smartphones running unspecified versions. [1]
Exploitation
An attacker with local access or the ability to trigger concurrent operations may exploit the race condition to cause multiple insertions of the same trustlist string. The exact prerequisites and attack sequence are not detailed in the available references. [1]
Impact
Successful exploitation can cause exceptions when the system manages the trustlist, potentially leading to denial of service or instability in trustlist operations. The full scope of impact is not disclosed. [1]
Mitigation
Huawei has released security updates in July 2021 that likely address this vulnerability, as part of their monthly security bulletin. Users are advised to update their devices to the latest firmware version. Specific fixed versions are not provided in the reference. [1]
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/2021/7/mitrex_refsource_MISC
News mentions
0No linked articles in our index yet.