CVE-2022-50706

A flaw was found in the Linux kernel's IEEE 802.15.4 networking subsystem. A local user can trigger a kernel warning (WARN) by sending a zero-sized packet via raw_sendmsg() on a PF_IEEE802154 socket. This causes skb_assert_len() to fire when the zero-length packet reaches __dev_queue_xmit().

This issue results in a kernel warning rather than a crash or exploitable condition. The warning is triggered by sending a zero-sized packet on an IEEE 802.15.4 raw socket, which requires local access and CAP_NET_RAW capability. The impact is limited to log noise and potential performance degradation from repeated warnings.

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.