Memory Leak Vulnerability in bpf, sockmap
Summary
GSD-2021-1001247: bpf, sockmap: Fix potential memory leak on unlikely error case. Affects Kernel versions >= 4363023d2668e621b0743db351a9555d6e6ea57e, < 715f378f42909c401ec043f5150c4fdf57fb8889. No fix is published. How to fix ↓
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Background
The bpf (Berkeley Packet Filter) is a technology in the Linux kernel that allows user-defined programs to run in the kernel context. It is commonly used for network packet filtering and monitoring. The sockmap feature in bpf allows for the redirection of network packets between sockets. This vulnerability affects the Linux Kernel package and specifically impacts the bpf and sockmap functionality.
Vulnerability Detail
The vulnerability in bpf, sockmap can lead to a potential memory leak in an unlikely error case. When certain error conditions occur, memory allocated for the sockmap feature may not be properly freed, resulting in a memory leak. Although the impact and attack plausibility have not been proven, this vulnerability could potentially be exploited by an attacker to exhaust system memory resources and cause denial of service conditions.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
In conclusion, the bpf, sockmap vulnerability in the Linux Kernel package can lead to a potential memory leak. It is recommended to update the package to the latest version to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
bpf (Berkeley Packet Filter) is a technology in the Linux kernel that allows user-defined programs to run in the kernel context. sockmap is a feature in bpf that enables the redirection of network packets between sockets.
The impact of this vulnerability is a potential memory leak in an unlikely error case. It could be exploited by an attacker to exhaust system memory resources and cause denial of service conditions.
To fix this vulnerability, update the Linux Kernel package to version v5.10.54 or later, which includes the necessary fix for the memory leak issue.
No specific workaround has been mentioned for this vulnerability.
For more information about this vulnerability, you can refer to the source link provided in the database_specific section of the vulnerability details.
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