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THREAT OPS › Threat News › [NVD] CVE-2026-45841 (MEDIUM 5.5) — In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_osf: fix divide-by-zero in OSF_WSS_MODULO nf_osf_match_one() computes ctx->window % f->wss.val in the OSF_WSS_MODULO branch with no guard for f->wss.val == 0. A CAP_NET_ADMIN user can add s

[NVD] CVE-2026-45841 (MEDIUM 5.5) — In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_osf: fix divide-by-zero in OSF_WSS_MODULO nf_osf_match_one() computes ctx->window % f->wss.val in the OSF_WSS_MODULO branch with no guard for f->wss.val == 0. A CAP_NET_ADMIN user can add s

lownvdPublished 2026-05-27

CVE-2026-45841 CVSS: 5.5 MEDIUM Published: 2026-05-27T11:16:23.493

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nfnetlink_osf: fix divide-by-zero in OSF_WSS_MODULO

nf_osf_match_one() computes ctx->window % f->wss.val in the OSF_WSS_MODULO branch with no guard for f->wss.val == 0. A CAP_NET_ADMIN user can add such a fingerprint via nfnetlink; a subsequent matchi

Indicators of compromise

CVE-2026-45841cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-45841