CVE-2026-43026 netfilter: ctnetlink: zero expect NAT fields when CTA_EXPECT_NAT absent

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: zero expect NAT fields when CTAEXPECTNAT absent ctnetlinkallocexpect allocates expectations from a non-zeroing slab cache via nfctexpectalloc. When CTAEXPECTNAT is not present in the netlink message, savedad...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006744)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006744 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: fix refcount leak on table dump There is a reference count leak in...

AZL-66869 CVE-2025-38721 affecting package kernel for versions less than 6.6.104.2-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: fix refcount leak on table dump There is a reference count leak in ctnetlinkdumptable: if res ctgeneral; // HERE cb-args1 = unsigned longct; ... While its very unlikely, its possible that ct == last. If this...

kernel: netfilter: conntrack: fix wrong ct->timeout value

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: fix wrong ct-timeout value struct nfconn-timeout is an interval before the conntrack confirmed. After confirmed, it becomes a timestamp. It is observed that timeout of an unconfirmed conntrack: - Set by...