Cloud Vulnerability DB
A community-led vulnerabilities database
Vulnerability DatabaseCVE-2025-38587
CVE-2025-38587:
Linux Kernel vulnerability analysis and mitigation
Overview
CVE-2025-38587 is a vulnerability discovered in the Linux kernel related to a potential infinite loop in the IPv6 implementation. The issue was identified in the fib6_info_uses_dev() function, which relies on RCU (Read-Copy-Update) without explicit protection. The vulnerability was disclosed on August 19, 2025 (NVD).
Technical details
The vulnerability exists in the fib6_info_uses_dev() function of the Linux kernel's IPv6 implementation. The core issue involves the function's reliance on RCU without proper protection mechanisms. Similar to a previous fix in rt6_nlmsg_size(), the function needs additional safeguards to prevent an infinite loop that could occur when fib6_del_route() or fib6_add_rt2node() removes the anchor from the list (NVD).
Impact
The vulnerability could potentially lead to an infinite loop in the IPv6 routing functionality of the Linux kernel, which might affect system stability and performance (NVD).
Mitigation and workarounds
The issue has been resolved in the Linux kernel through patches that implement proper protection mechanisms for the RCU usage in the fib6_info_uses_dev() function (NVD).
Additional resources
Source: This report was generated using AI
Related Linux Kernel vulnerabilities:
Free Vulnerability Assessment
Benchmark your Cloud Security Posture
Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.
Additional Wiz resources
Get a personalized demo
Ready to see Wiz in action?
"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management