CVE-2021-27562
Arm Trusted Firmware Out-of-Bounds Write Vulnerability
Summary
Arm Trusted Firmware contains an out-of-bounds write vulnerability allowing the non-secure (NS) world to trigger a system halt, overwrite secure data, or print out secure data when calling secure functions under the non-secure processing environment (NSPE) handler mode. This vulnerability affects Yealink Device Management servers.
Affected software
Vendor: Arm · Product: Trusted Firmware
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Arm
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2022-38181 | Arm Mali GPU Kernel Driver Use-After-Free Vulnerability | 12.6% | Yes |
| CVE-2021-28663 | Arm Mali Graphics Processing Unit (GPU) Use-After-Free Vulnerability | 12.1% | Yes |
| CVE-2021-28664 | Arm Mali Graphics Processing Unit (GPU) Unspecified Vulnerability | 5.5% | Yes |
| CVE-2021-29256 | Arm Mali GPU Kernel Driver Use-After-Free Vulnerability | 3.0% | Yes |
| CVE-2023-26083 | Arm Mali GPU Kernel Driver Information Disclosure Vulnerability | 1.4% | Yes |
| CVE-2023-4211 | Arm Mali GPU Kernel Driver Use-After-Free Vulnerability | 1.4% | Yes |
| CVE-2022-22706 | Arm Mali GPU Kernel Driver Unspecified Vulnerability | 1.2% | Yes |
| CVE-2024-4610 | Arm Mali GPU Kernel Driver Use-After-Free Vulnerability | 0.8% | Yes |
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