What’s Vulnerable › Vulnerabilities

CVE-2021-40015

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-02-09 · updated 2026-06-17
• Weakness: CWE-362

Description

There is a race condition vulnerability in the binder driver subsystem in the kernel.Successful exploitation of this vulnerability may affect kernel stability.

Affected products

• Huawei EMUI: 10.0.0, 10.1.0, 10.1.1, 11.0.0, 12.0.0
• Huawei HarmonyOS: before 2.0 — fixed in 2.0
• Huawei Magic UI: 3.0.0, 3.1.0, 3.1.1, 4.0.0

How to fix

Upgrade to a fixed version: Huawei HarmonyOS 2.0. Check the vendor advisory for mitigations.

References

• https://consumer.huawei.com/en/support/bulletin/2022/2/
• https://device.harmonyos.com/en/docs/security/update/security-bulletins-202202-0000001204253396
• https://consumer.huawei.com/en/support/bulletin/2022/2/
• https://device.harmonyos.com/en/docs/security/update/security-bulletins-202202-0000001204253396

Get alerted when CVE-2021-40015 or the next vulnerability affects your stack