{"id":"CVE-2026-43060","title":"netfilter: nft_ct: drop pending enqueued packets on removal","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_ct: drop pending enqueued packets on removal\n\nPackets sitting in nfqueue might hold a reference to:\n\n- templates that specify the conntrack zone, because…","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 >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < 8a64e76933672b08bd85b63086f33432070fd729","Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < 3da0b946835f33bf36b459ead764c61a761e689b","Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < ab50302190b303f847c4eba0e31a01a56dec596e","Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < e68a8db3a0546482b34e9ca5ca886bcf73eb37bb","Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < 6802ff8beceb9c4254318e81c1395720438f2cc2","Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < f29a055e4f593e577805b41228b142b58f48df1b","Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < 77da55dee67720e2b8d2db49a53334e6c017ee7b","Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < 36eae0956f659e48d5366d9b083d9417f3263ddc","Linux 4.19"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T15:14:09.661568Z"},"published":"2026-05-05","updated":"2026-10-16","sourceUpdated":"2026-10-16T15:20:30.754Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43060","references":[{"url":"https://git.kernel.org/stable/c/8a64e76933672b08bd85b63086f33432070fd729"},{"url":"https://git.kernel.org/stable/c/3da0b946835f33bf36b459ead764c61a761e689b"},{"url":"https://git.kernel.org/stable/c/ab50302190b303f847c4eba0e31a01a56dec596e"},{"url":"https://git.kernel.org/stable/c/e68a8db3a0546482b34e9ca5ca886bcf73eb37bb"},{"url":"https://git.kernel.org/stable/c/6802ff8beceb9c4254318e81c1395720438f2cc2"},{"url":"https://git.kernel.org/stable/c/f29a055e4f593e577805b41228b142b58f48df1b"},{"url":"https://git.kernel.org/stable/c/77da55dee67720e2b8d2db49a53334e6c017ee7b"},{"url":"https://git.kernel.org/stable/c/36eae0956f659e48d5366d9b083d9417f3263ddc"}],"tags":["cve.org"],"epss":0.00176,"epssPercentile":0.06638,"ingestedAt":"2026-10-16T17:24:46.680Z","slug":"CVE-2026-43060","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_ct: drop pending enqueued packets on removal\n\nPackets sitting in nfqueue might hold a reference to:\n\n- templates that specify the conntrack zone, because a percpu area is\n  used and module removal is possible.\n- conntrack timeout policies and helper, where object removal leave\n  a stale reference.\n\nSince these objects can just go away, drop enqueued packets to avoid\nstale reference to them.\n\nIf there is a need for finer grain removal, this logic can be revisited\nto make selective packet drop upon dependencies.\n\n## Affected\n\n- `Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < 8a64e76933672b08bd85b63086f33432070fd729`\n- `Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < 3da0b946835f33bf36b459ead764c61a761e689b`\n- `Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < ab50302190b303f847c4eba0e31a01a56dec596e`\n- `Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < e68a8db3a0546482b34e9ca5ca886bcf73eb37bb`\n- `Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < 6802ff8beceb9c4254318e81c1395720438f2cc2`\n- `Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < f29a055e4f593e577805b41228b142b58f48df1b`\n- `Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < 77da55dee67720e2b8d2db49a53334e6c017ee7b`\n- `Linux >= 7e0b2b57f01d183e1c84114f1f2287737358d748 < 36eae0956f659e48d5366d9b083d9417f3263ddc`\n- `Linux 4.19`\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":[]}