netrom: Decrease sock refcount when sock timers expire
Summary
GSD-2021-1001402: netrom: Decrease sock refcount when sock timers expire. Affects Kernel versions >= 0adf571fa34b27bd0b97b408cc0f0dc54b72f0eb, < 48866fd5c361ea417ed24b43fc2a7dc2f5b060ef. 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 reference count of a socket when its timers expire. This can result in a reference count leak, potentially leading to resource exhaustion and denial-of-service attacks. The vulnerability was introduced in version v4.14.98 of the Linux Kernel and has been fixed in version v4.14.241. It is important to note that the actual impact and attack plausibility of this vulnerability have not been proven.
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
No workaround has been provided 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 v4.14.241 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The netrom package is a component of the Linux Kernel that provides support for the NET/ROM protocol used in amateur packet radio networking.
The vulnerability can result in a reference count leak, potentially leading to resource exhaustion and denial-of-service attacks.
To fix this vulnerability, update the Linux Kernel to version v4.14.241 or later.
No workaround has been provided for this vulnerability.
For more details, refer to the vulnerability ID GSD-2021-1001402 in the GSD database: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1001xxx/GSD-2021-1001402.json
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
