Vulnerability in Kernel package: Incorrect Sizing Calculations in EVT_TRANSACTION
Summary
GSD-2022-1002582: nfc: st21nfca: fix incorrect sizing calculations in EVT_TRANSACTION. Affects Kernel versions >= 26fc6c7f02cb26c39c4733de3dbc3c0646fc1074, < 4a06dd0878897d514812927ced06dc7601af2027. No fix is published. How to fix ↓
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Background
The Kernel package is a crucial component of the Linux operating system, responsible for managing the system's core functions and providing an interface between hardware and software. It plays a vital role in maintaining system stability, security, and performance. The vulnerability identified in this package relates to the EVT_TRANSACTION event in the st21nfca module of the nfc subsystem. This event is used for transaction-related operations in Near Field Communication (NFC) devices. The incorrect sizing calculations in EVT_TRANSACTION can lead to potential security vulnerabilities.
Vulnerability Detail
The vulnerability arises from incorrect sizing calculations in the EVT_TRANSACTION event of the st21nfca module. This miscalculation can result in buffer overflows or underflows, leading to memory corruption and potential security exploits. An attacker could potentially leverage this vulnerability to execute arbitrary code, escalate privileges, or cause denial-of-service conditions. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability. It is advised to apply the fix by updating the Linux Kernel to the recommended version.
Conclusion
The vulnerability in the Kernel package, specifically in the EVT_TRANSACTION event of the st21nfca module, involves incorrect sizing calculations. This can lead to memory corruption and potential security exploits. It is crucial to update the Linux Kernel to version v5.18.4 or later to address this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel package is a critical component of the Linux operating system, responsible for managing core functions and acting as an interface between hardware and software.
The st21nfca module is part of the nfc subsystem and is used for Near Field Communication (NFC) operations.
The vulnerability can potentially lead to memory corruption, allowing attackers to execute arbitrary code, escalate privileges, or cause denial-of-service conditions.
To fix this vulnerability, update the Linux Kernel to version v5.18.4 or later, which includes the necessary fix for the incorrect sizing calculations.
No specific workaround has been provided. It is recommended to update the Kernel to the latest version.
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