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THREAT OPS › Threat News › [NVD] CVE-2026-45901 (MEDIUM 5.5) — In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: revert commit_mutex usage in reset path It causes circular lock dependency between commit_mutex, nfnl_subsys_ipset and nlk_cb_mutex when nft reset, ipset list, and iptables-nft with '-m se

[NVD] CVE-2026-45901 (MEDIUM 5.5) — In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: revert commit_mutex usage in reset path It causes circular lock dependency between commit_mutex, nfnl_subsys_ipset and nlk_cb_mutex when nft reset, ipset list, and iptables-nft with '-m se

lownvdPublished 2026-05-27

CVE-2026-45901 CVSS: 5.5 MEDIUM Published: 2026-05-27T14:17:04.483

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

netfilter: nf_tables: revert commit_mutex usage in reset path

It causes circular lock dependency between commit_mutex, nfnl_subsys_ipset and nlk_cb_mutex when nft reset, ipset list, and iptables-nft with '-m set' rule run at the same time.

Previous patches made

Indicators of compromise

CVE-2026-45901cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-45901