CVE-2021-47557

A vulnerability was found in the Linux kernel's net/sched implementation, in the ETS module, where the system attempts to access classes beyond the defined limits, leading to a potential NULL pointer dereference. As a result, this can cause system crashes, disrupt network traffic.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.