Incorrect Page Free Bug in tee: optee
Summary
GSD-2021-1002811: tee: optee: Fix incorrect page free bug. Affects Kernel versions >= 1340dc3fb75ea69221f4f5dcb0cbace55ad0331c, < ad338d825e3f7b96ee542bf313728af2d19fe9ad. No fix is published. How to fix ↓
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Background
The tee: optee package is a component of the Linux Kernel ecosystem. It provides support for Trusted Execution Environments (TEEs) and is responsible for handling secure operations on the system. TEEs are isolated execution environments that ensure the confidentiality and integrity of sensitive data. The tee: optee package is vulnerable to an incorrect page free bug.
Vulnerability Detail
The incorrect page free bug in tee: optee can lead to potential security vulnerabilities. This bug was introduced in version v5.10.58 of the Linux Kernel and was fixed in version v5.10.89. The bug could be exploited by an attacker to gain unauthorized access or execute arbitrary code on the system. The exact impact and attack plausibility have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The incorrect page free bug in tee: optee is a potential security vulnerability in the Linux Kernel. It is recommended to update the Kernel to version v5.10.89 or later to mitigate this issue. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
tee: optee is a component of the Linux Kernel ecosystem that provides support for Trusted Execution Environments (TEEs). TEEs are isolated execution environments that ensure the confidentiality and integrity of sensitive data.
An incorrect page free bug refers to a software vulnerability where memory pages are incorrectly freed, leading to potential security issues. In the case of tee: optee, this bug could be exploited by attackers to gain unauthorized access or execute arbitrary code.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file, and Vulert will analyze it in real-time to identify any open-source vulnerabilities, including this one.
The impact of this vulnerability could be unauthorized access to sensitive data or the execution of arbitrary code on the affected system. However, the exact impact and attack plausibility have not been proven yet.
To fix the vulnerability, it is recommended to update the Linux Kernel to version v5.10.89 or later. This update includes the necessary fix for the incorrect page free bug in tee: optee. Users can obtain the updated version from the official Linux Kernel repository.
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