CVE-2026-63986

A flaw was found in the Linux kernel's ethtool: tsinfo component. This vulnerability occurs when the ethnltsinfopreparedump function fails to properly initialize a generic netlink message genlmsg but still attempts to cancel it by passing an error pointer. This improper error handling can lead to...

SUSE CVE-2026-63986

In the Linux kernel, the following vulnerability has been resolved: ethtool: tsinfo: don't pass ERRPTR to genlmsgcancel on prepare failure The goto err label leads to: genlmsgcancelskb, ehdr; return ret; If ethnltsinfopreparedump failed, it has not started a genlmsg. There's nothing to cancel, an...

CVE-2026-63986

In the Linux kernel, the following vulnerability has been resolved: ethtool: tsinfo: don't pass ERRPTR to genlmsgcancel on prepare failure The goto err label leads to: genlmsgcancelskb, ehdr; return ret; If ethnltsinfopreparedump failed, it has not started a genlmsg. There's nothing to cancel, an...

CVE-2026-63986

In the Linux kernel, the following vulnerability has been resolved: ethtool: tsinfo: don't pass ERRPTR to genlmsgcancel on prepare failure The goto err label leads to: genlmsgcancelskb, ehdr; return ret; If ethnltsinfopreparedump failed, it has not started a genlmsg. There's nothing to cancel, an...

CVE-2026-63986 ethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare failure

In the Linux kernel, the following vulnerability has been resolved: ethtool: tsinfo: don't pass ERRPTR to genlmsgcancel on prepare failure The goto err label leads to: genlmsgcancelskb, ehdr; return ret; If ethnltsinfopreparedump failed, it has not started a genlmsg. There's nothing to cancel, an...

CVE-2026-63986 ethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare failure

In the Linux kernel, the following vulnerability has been resolved: ethtool: tsinfo: don't pass ERRPTR to genlmsgcancel on prepare failure The goto err label leads to: genlmsgcancelskb, ehdr; return ret; If ethnltsinfopreparedump failed, it has not started a genlmsg. There's nothing to cancel, an...

EUVD-2026-45759

In the Linux kernel, the following vulnerability has been resolved: ethtool: tsinfo: don't pass ERRPTR to genlmsgcancel on prepare failure The goto err label leads to: genlmsgcancelskb, ehdr; return ret; If ethnltsinfopreparedump failed, it has not started a genlmsg. There's nothing to cancel, an...

CVE-2026-63986

CVE-2026-63986 concerns the Linux kernel ethtool tsinfo handling. When ethnl_tsinfo_prepare_dump() fails, the code path incorrectly calls genlmsg_cancel(skb, ehdr) via a goto err, even though no genlmsg was started, risking a crash by passing an error pointer to genlmsg_cancel. The connected reco...

PT-2026-61303

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A crash can occur in the ethtool component when ethnl tsinfo prepare dump fails. The issue arises because the system attempts to call the genlmsg cancel function using an error pointer E...