CVE-2021-27562 — Arm Trusted Firmware Out-of-Bounds Write Vulnerability

CISA KEV listed Added November 3, 2021 Remediate by November 17, 2021

Description

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.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-27562

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