CVE-2026-43026

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...

CVE-2026-43026

CVE-2026-43026 concerns the Linux kernel netfilter ctnetlink path: when CTA_EXPECT_NAT is absent, ctnetlink_alloc_expect() can leave saved_addr and saved_proto uninitialized, risking leakage of stale data. The safe nf_ct_expect_init() in the packet path zeros these fields, and the patch adds expl...