CVE-2026-45841

CVE-2026-45841 affects the Linux kernel netfilter nfnetlink_osf in the OSF_WSS_MODULO path. The root cause is a divide-by-zero in nf_osf_match_one() when ctx->window is taken modulo f->wss.val with no guard for f->wss.val == 0. A CAP_NET_ADMIN user can add such a fingerprint via nfnetlin...

PT-2026-43675

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A divide-by-zero error exists in the netfilter component within the nf osf match one function. The issue occurs in the OSF WSS MODULO branch when calculating ctx-window % f-wss.val witho...