CVE-2024-56728 octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_ethtool.c

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: handle otx2mboxgetrsp errors in otx2ethtool.c Add error pointer check after calling otx2mboxgetrsp...

CVE-2024-56728

CVE-2024-56728: Linux kernel vulnerability in octeontx2-pf (otx2_ethtool.c) where otx2_mbox_get_rsp could return an error pointer that was not checked. The fix adds an explicit error pointer check after calling otx2_mbox_get_rsp(), preventing potential dereference of a NULL/err pointer. The vulne...