Null Dereference Vulnerability in bonding Package

Kernel Updated 02 Oct 2025

Summary

03/08/2021
N/A
No i
Unrated
Not published

GSD-2021-1001157: bonding: fix null dereference in bond_ipsec_add_sa(). Affects Kernel versions >= 18cb261afd7bf50134e5ccacc5ec91ea16efadd4, < 9863701fa0ecd2abfadb27b0e7a9b0fe1c9d02b6. No fix is published. How to fix ↓

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Background

The bonding package is a part of the Linux Kernel ecosystem and is responsible for aggregating multiple network interfaces into a single logical interface. It provides load balancing and fault tolerance capabilities. The vulnerability in the bonding package allows for a null dereference in the bond_ipsec_add_sa() function.

Vulnerability Detail

The null dereference vulnerability in the bond_ipsec_add_sa() function can be exploited by an attacker to cause a denial-of-service (DoS) condition. By sending a specially crafted packet, an attacker can trigger a null pointer dereference, leading to a system crash or hang. This vulnerability was introduced in version v5.9 of the Linux Kernel and is fixed in version v5.13.6.

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 essential to update the Linux Kernel to the fixed version.

Conclusion

The null dereference vulnerability in the bonding package can be mitigated by updating the Linux Kernel to version v5.13.6 or later. This update includes the necessary fix to prevent the null pointer dereference issue. For further support on vulnerability remediation, please contact DevNack.com.

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FAQ

This vulnerability can lead to a denial-of-service (DoS) condition, causing the system to crash or hang.

By sending a specially crafted packet, an attacker can trigger a null pointer dereference in the bond_ipsec_add_sa() function.

The vulnerability was introduced in version v5.9 and fixed in version v5.13.6 of the Linux Kernel.

No, updating the Linux Kernel to the fixed version is the recommended solution.

You can find more information about this vulnerability in the Open Source Vulnerability Database (OSVDB) with ID GSD-2021-1001157.

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How To Fix

No fixed version is published for this vulnerability.

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