seg6: bpf: fix skb checksum in bpf_push_seg6_encap() - Kernel
Summary
GSD-2022-1004566: seg6: bpf: fix skb checksum in bpf_push_seg6_encap(). Affects Kernel versions >= fe94cc290f535709d3c5ebd1e472dfd0aec7ee79, < 2d4efc9a0e853400dd9e453c63bf5e16aee2c399. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that provides core functionality and acts as an interface between hardware and software. It manages system resources, facilitates communication between different software components, and ensures the overall stability and security of the system. The vulnerability in question affects the Kernel's seg6 module, specifically the bpf_push_seg6_encap() function.
Vulnerability Detail
The vulnerability in bpf_push_seg6_encap() within the seg6 module of the Kernel allows for a potential security breach. It arises from an issue with the skb checksum, which can lead to incorrect checksum calculations and potential data corruption. This vulnerability was introduced in version v4.18 of the Kernel and has been fixed in version v5.10.132.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No workaround has been mentioned for this vulnerability.
Conclusion
The seg6: bpf: fix skb checksum in bpf_push_seg6_encap() vulnerability in the Kernel's seg6 module poses a potential risk of data corruption and compromise of network communications. It is crucial to update the Kernel to version v5.10.132 or later to mitigate this vulnerability. No known exploits have been reported at this time, but prompt action is recommended. For further support and assistance, please contact DevNack.com.
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FAQ
This vulnerability can potentially lead to data corruption and compromise the integrity of network communications.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground and it will analyze and alert you in real-time.
At the time of this report, no known exploits have been reported for this vulnerability. However, it is important to promptly apply the recommended fix to mitigate any potential risks.
Yes, this vulnerability can be exploited remotely if an attacker can send specially crafted network packets to the affected system.
For further support and assistance with vulnerability remediation, you can contact info@devnack.com.
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