Use-after-free vulnerability in dpaa2-eth package
Summary
GSD-2021-1002261: net: dpaa2-eth: fix use-after-free in dpaa2_eth_remove. Affects Kernel versions >= 7472dd9f649958be6a8880ed439233c8414a7b34, < d74ff10ed2d93dc9b67e99a74b36fb9a83273d8a. No fix is published. How to fix ↓
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Background
The dpaa2-eth package is a component of the Linux Kernel that provides support for the Data Path Acceleration Architecture 2 (DPAA2) Ethernet devices. These devices are commonly used in networking applications to offload packet processing tasks. The dpaa2-eth package enables efficient data transfer and management for these devices.
Vulnerability Detail
The use-after-free vulnerability in dpaa2-eth, identified as GSD-2021-1002261, allows an attacker to exploit a freed memory region. This can lead to a variety of security issues, including remote code execution, privilege escalation, or denial of service. The vulnerability was introduced in version v4.17 of the Linux Kernel and was fixed in version v5.4.162. The specific vulnerability occurs in the dpaa2_eth_remove function, where a use-after-free condition can be triggered during the removal of a dpaa2-eth device.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is crucial to update to the fixed version of the Linux Kernel to mitigate the risk.
Conclusion
The use-after-free vulnerability in dpaa2-eth poses a significant risk to systems utilizing this package. It is crucial to update the Linux Kernel to version v5.4.162 or later to mitigate this vulnerability. Failure to apply the fix could result in potential security breaches, including remote code execution, privilege escalation, or denial of service attacks. For further support and assistance with vulnerability remediation, please contact DevNack.com.
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FAQ
The use-after-free vulnerability in dpaa2-eth can potentially allow an attacker to execute arbitrary code, escalate privileges, or cause a denial of service. The impact depends on the specific exploitation scenario and the privileges of the targeted system.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities, using just a manifest file like package-lock.json.
There are no known instances of this vulnerability being exploited in the wild. However, it is essential to apply the fix promptly to prevent potential attacks.
Yes, this vulnerability can be exploited remotely if the targeted system is accessible over the network. Attackers can send specially crafted packets to trigger the use-after-free condition and potentially execute arbitrary code or disrupt the system's normal operation.
For more details about this vulnerability, you can refer to the vulnerability ID GSD-2021-1002261 in the GSD database maintained by the Cloud Security Alliance. The database entry can be found at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/GSD-2021-1002261.json.
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