OESA-2026-2871 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use expect-helper Use expect-helper in ctnetlink and /proc to dump the helper name. Using nfcthelp without holding a reference to t...

EUVD-2026-18716

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: fix use-after-free in ctnetlinkdumpexpct ctnetlinkdumpexpct stores a conntrack pointer in cb-data for the netlink dump callback ctnetlinkexpctdumptable, but drops the conntrack reference immediately after...

PT-2026-30152

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0.0-rc2+ Description The Linux kernel contains a use-after-free flaw within the ctnetlink dump exp ct function, specifically related to conntrack pointer management during netlink dumps. The issue arises when t...