netrom: Decrease sock refcount when sock timers expire
Summary
GSD-2021-1001241: netrom: Decrease sock refcount when sock timers expire. Affects Kernel versions >= 63346650c1a94a92be61a57416ac88c0a47c4327, < 6811744bd0efb9e472cb15d066cdb460beb8cb8a. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The netrom package is a part of the Linux Kernel ecosystem. It provides support for the NET/ROM protocol, which is used for amateur packet radio networking. The package includes functionality for creating and managing network sockets. However, a vulnerability has been discovered in the package that can lead to a reference count leak when sock timers expire.
Vulnerability Detail
The vulnerability in netrom arises from a failure to decrease the socket reference count when sock timers expire. This can result in a reference count leak, leading to resource exhaustion and potential denial-of-service attacks. The vulnerability was introduced in version v5.0 of the Linux Kernel and has been fixed in version v5.10.54. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The netrom package in the Linux Kernel is vulnerable to a reference count leak when sock timers expire. It is recommended to update the Linux Kernel to version v5.10.54 or later to fix this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The netrom package is a part of the Linux Kernel ecosystem and provides support for the NET/ROM protocol used in amateur packet radio networking.
The vulnerability can lead to a reference count leak, potentially resulting in resource exhaustion and denial-of-service attacks.
To fix this vulnerability, update the Linux Kernel to version v5.10.54 or later.
No specific workaround has been mentioned for this vulnerability.
For more details, you can refer to the vulnerability report at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1001xxx/GSD-2021-1001241.json
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
