{"id":"CVE-2026-72435","title":"netfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer()\n\nSashiko pointed out that kfree_rcu() was called before\nrcu_assign_pointer() in handling the comment…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < c9787d7c24ffd83019f379455e1b97fb4f0f75eb","Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < 6e98407cb94e035bba98956adc9096a76d8b2a9f","Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < 50b70f56f3baaff46599f59b2d93fa2540120776","Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < d01b4b471f0fc5c396af62845e972ccf99cee29a","Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < fcb565966534909377a16be5f7b065db2e25c8b5","Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < 8087bb360a936a6314d22b567e4b861656943eb6","Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < 93a775fd67f3ef34949a9523bfa69403ee74efdd","Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < 3ca9982a8882470aa0ac4e8bb9a552b181d1efcd","Linux 4.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T18:49:54.310798Z"},"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T18:55:23.893Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72435","references":[{"url":"https://git.kernel.org/stable/c/c9787d7c24ffd83019f379455e1b97fb4f0f75eb"},{"url":"https://git.kernel.org/stable/c/6e98407cb94e035bba98956adc9096a76d8b2a9f"},{"url":"https://git.kernel.org/stable/c/50b70f56f3baaff46599f59b2d93fa2540120776"},{"url":"https://git.kernel.org/stable/c/d01b4b471f0fc5c396af62845e972ccf99cee29a"},{"url":"https://git.kernel.org/stable/c/fcb565966534909377a16be5f7b065db2e25c8b5"},{"url":"https://git.kernel.org/stable/c/8087bb360a936a6314d22b567e4b861656943eb6"},{"url":"https://git.kernel.org/stable/c/93a775fd67f3ef34949a9523bfa69403ee74efdd"},{"url":"https://git.kernel.org/stable/c/3ca9982a8882470aa0ac4e8bb9a552b181d1efcd"}],"tags":["cve.org"],"epss":0.00176,"epssPercentile":0.06642,"ingestedAt":"2026-10-16T19:46:24.395Z","slug":"CVE-2026-72435","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer()\n\nSashiko pointed out that kfree_rcu() was called before\nrcu_assign_pointer() in handling the comment extension.\nFix the order so that rcu_assign_pointer() called first.\n\n## Affected\n\n- `Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < c9787d7c24ffd83019f379455e1b97fb4f0f75eb`\n- `Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < 6e98407cb94e035bba98956adc9096a76d8b2a9f`\n- `Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < 50b70f56f3baaff46599f59b2d93fa2540120776`\n- `Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < d01b4b471f0fc5c396af62845e972ccf99cee29a`\n- `Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < fcb565966534909377a16be5f7b065db2e25c8b5`\n- `Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < 8087bb360a936a6314d22b567e4b861656943eb6`\n- `Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < 93a775fd67f3ef34949a9523bfa69403ee74efdd`\n- `Linux >= b57b2d1fa53fe8563bdfc66a33b844463b9af285 < 3ca9982a8882470aa0ac4e8bb9a552b181d1efcd`\n- `Linux 4.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}