CVE-2019-20812

A flaw was found in the way the af_packet functionality in the Linux kernel handled the retirement timer setting for TPACKET_v3 when getting settings from the underlying network device errors out. This flaw allows a local user who can open the af_packet domain socket and who can hit the error path, to use this vulnerability to starve the system.

This issue is rated as having Moderate impact because of the preconditions needed to trigger the error code path and privileges required (CAP_NET_RAW).

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 don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.