CVE-2021-47563

A vulnerability was found in the Linux kernel's ice driver, where the add_pble_prm function improperly manages the reference counting of the bpf_prog object. This issue occurs during the VSI rebuild process, causing a reference count underflow when an old program is mistakenly decremented while still in use, which leads to a system crash.

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.