{"id":"CVE-2026-45901","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-45901","generatedAt":"2026-10-27T23:56:45.053Z","title":"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…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: revert commit_mutex usage in reset path\n\nIt causes circular lock dependency between commit_mutex, nfnl_subsys_ipset\nand nlk_cb_mutex when nft reset, ipset list, and iptables-nft with '-m set'\nrule run at the same time.\n\nPrevious patches made it safe to run individual reset handlers concurrently\nso commit_mutex is no longer required to prevent this.","published":"2026-05-27T14:17:04.000Z","lastModified":"2026-10-21T13:18:59.000Z","status":"Undergoing Analysis","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.00182,"percentile":0.077,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.18%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/7f261bb906bf527c4a6e2a646e2d5f3679f2a8bc","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b0dd8637fbaae8405eb9e8de741f9ce7c9667b6f","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d66bedfe97a2bc321fa8118e669aae988038f729","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ee3978b6a0dcd4215cb7cedcba705a12174786a7","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f6410d18c1e2da325df02be989d5bca5ed38b086","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45901","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}