Memory Leak Vulnerability in Linux Kernel - CVE-2024-53210
Summary
CVE-2024-53210: In the Linux kernel, the following vulnerability has been resolved: s390/iucv: MSG_PEEK causes memory leak in iucv_sock_destruct() Passing MSG_PEEK flag to skb_recv_datagram() increments skb refcount (skb->users) and iuc... Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
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Background
The Linux kernel is the core component of many operating systems, providing essential services for hardware and software interaction. It is known for its stability, performance, and security features. However, vulnerabilities can arise, such as CVE-2024-53210, which affects the iucv_sock component, potentially leading to memory leaks during socket operations.
Vulnerability Detail
CVE-2024-53210 is a vulnerability in the Linux kernel's s390/iucv subsystem. It occurs when the MSG_PEEK flag is passed to the skb_recv_datagram() function, which increments the socket buffer (skb) reference count without decrementing it upon exit in the iucv_sock_recvmsg() function. This oversight leads to a memory leak, as the skb memory is not properly released, resulting in a WARN_ON condition during socket closure. The vulnerability can cause resource exhaustion and degrade system performance over time.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
Currently, there are no specific workarounds mentioned for this vulnerability. It is recommended to apply the patch as soon as it is available.
Conclusion
CVE-2024-53210 is a significant vulnerability in the Linux kernel that can lead to memory leaks and system performance issues. Users are advised to update their kernel packages to the patched versions to ensure system stability and security. Monitoring tools like Vulert can assist in identifying vulnerabilities in your software.
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FAQ
CVE-2024-53210 is a vulnerability in the Linux kernel that causes a memory leak when the MSG_PEEK flag is used in socket operations.
This vulnerability can lead to resource exhaustion over time, potentially degrading system performance and stability.
You should update your Linux kernel package to the patched version as soon as possible to mitigate the risk.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using a manifest file like package-lock.json.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
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