CVE-2026-63986

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> ethtool: tsinfo: don&amp;#39;t pass ERR_PTR to genlmsg_cancel on prepare failure<br /> <br /> The goto err label leads to:<br /> <br /> genlmsg_cancel(skb, ehdr);<br /> return ret;<br /> <br /> If ethnl_tsinfo_prepare_dump() failed, it has not started a genlmsg.<br /> There&amp;#39;s nothing to cancel, and passing an error pointer to<br /> genlmsg_cancel() would cause a crash.