CVE-2021-47245

A vulnerability was found in the Linux kernel's netfilter system, in the synproxy TCP option parser. This issue allows the parser to read one byte beyond its intended limit when processing TCP options, which could lead to unexpected behavior or crash.

This vulnerability is rated as a moderate severity because it requires certain conditions for exploitation to disrupt network communications or cause denial of service.

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.

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.