Vulnerability in xprtrdma Package: Treat All Calls as Not a bcall When bc_serv is NULL
Summary
GSD-2022-1003224: xprtrdma: treat all calls not a bcall when bc_serv is NULL. Affects Kernel versions < a3fc8051ee061e31db13e2fe011e8e0b71a7f815. No fix is published. How to fix ↓
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Background
The xprtrdma package is a component of the Linux Kernel, which is responsible for providing Remote Direct Memory Access (RDMA) transport services for the XDR/RPC layer. It enables efficient communication between networked systems by allowing direct memory access without involving the CPU. The xprtrdma package is critical for high-performance networking applications that rely on RDMA technology.
Vulnerability Detail
The vulnerability in the xprtrdma package arises when it fails to correctly handle calls that are not bcall (bulk call) when the bc_serv (bulk call service) is NULL. This flaw can potentially be exploited by an attacker to execute arbitrary code or trigger a denial-of-service condition. 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
The xprtrdma package in the Linux Kernel is vulnerable to a flaw that can potentially be exploited to execute arbitrary code or cause a denial-of-service condition. It is recommended to update the Linux Kernel to version v5.15.47 or a later release to mitigate this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The xprtrdma package is a component of the Linux Kernel that provides Remote Direct Memory Access (RDMA) transport services for the XDR/RPC layer.
The impact of this vulnerability is not yet proven, but it could potentially allow an attacker to execute arbitrary code or cause a denial-of-service condition.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.15.47 or a later release.
No specific workaround has been provided for this vulnerability.
For more details about this vulnerability, you can refer to the source link provided in the database-specific information section of the vulnerability report.
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