Refcount Leak in dpaa2-ptp: Fix in Linux Kernel
Summary
GSD-2022-1001015: dpaa2-ptp: Fix refcount leak in dpaa2_ptp_probe. Affects Kernel versions >= d346c9e86d8685d7cdceddf5b2e9c4376334620c, < 45fdd98b70142521739615ad1bfb760401863b73. No fix is published. How to fix ↓
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Background
The dpaa2-ptp package is a component of the Linux Kernel that provides support for Precision Time Protocol (PTP) in the Data Path Acceleration Architecture v2 (DPAA2) framework. PTP is a protocol used for clock synchronization in networked systems. The dpaa2-ptp module enables PTP functionality on DPAA2-enabled devices. This vulnerability affects the dpaa2-ptp module in the Linux Kernel.
Vulnerability Detail
The vulnerability in dpaa2-ptp is related to a refcount leak issue in the dpaa2_ptp_probe function. This issue can lead to a memory leak, potentially causing resource exhaustion and system instability. An attacker may be able to exploit this vulnerability to trigger a denial-of-service condition or potentially execute arbitrary code with elevated privileges. The vulnerability was introduced in version v5.3 of the Linux Kernel and is fixed in version v5.17.3.
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 recommended to apply the fix by updating the Linux Kernel to the patched version.
Conclusion
The dpaa2-ptp module in the Linux Kernel is vulnerable to a refcount leak issue, which can result in memory leaks and potential system instability. It is recommended to update the Linux Kernel to version v5.17.3 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
dpaa2-ptp is a module in the Linux Kernel that provides support for Precision Time Protocol (PTP) in the Data Path Acceleration Architecture v2 (DPAA2) framework.
This vulnerability can lead to a memory leak, potentially causing resource exhaustion and system instability. It may also allow an attacker to trigger a denial-of-service condition or execute arbitrary code with elevated privileges.
To fix this vulnerability, update the Linux Kernel to version v5.17.3 or later. Obtain the updated kernel from the official Linux Kernel repository.
There is no known workaround for this vulnerability. It is recommended to apply the fix by updating the Linux Kernel.
This vulnerability was introduced in version v5.3 of the Linux Kernel and fixed in version v5.17.3.
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