Vulnerability in ath5k: Out-of-Bounds Read in ath5k_eeprom_read_pcal_info_5111
Summary
GSD-2022-1002481: ath5k: fix OOB in ath5k_eeprom_read_pcal_info_5111. Affects Kernel versions < f4de974019a0adf34d0e7de6b86252f1bd266b06. No fix is published. How to fix ↓
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Background
The ath5k is a Linux kernel driver for Atheros 5xxx series wireless LAN cards. It provides support for various Atheros chipsets and enables wireless communication. The ath5k_eeprom_read_pcal_info_5111 function is responsible for reading power calibration information from the EEPROM. However, a vulnerability exists in this function that allows an out-of-bounds read, potentially leading to information disclosure or a denial of service.
Vulnerability Detail
The vulnerability in ath5k arises due to improper bounds checking in the ath5k_eeprom_read_pcal_info_5111 function. An attacker could exploit this flaw by sending a specially crafted request to the affected system, triggering the out-of-bounds read. This could result in the disclosure of sensitive information stored in memory or cause the system to crash. 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.
Conclusion
In conclusion, the ath5k driver in the Linux Kernel is vulnerable to an out-of-bounds read in the ath5k_eeprom_read_pcal_info_5111 function. To mitigate this vulnerability, users should update their Linux Kernel to version v4.9.311 or a later one. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
ath5k is a Linux kernel driver for Atheros 5xxx series wireless LAN cards, providing support for wireless communication.
The impact of this vulnerability could include information disclosure or denial of service if exploited by an attacker.
No, the impact and attack plausibility of this vulnerability have not been proven yet.
To fix this vulnerability, update your Linux Kernel to version v4.9.311 or a later one.
No specific workaround has been provided for this vulnerability.
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