{"metadata": {"vulnerability": "CVE-2026-99042", "count": 26, "kinds": {"milestone": 7, "sighting": 2, "kev": 0, "other": 17}, "linked_omitted": 0}, "data": [{"timestamp": "2026-09-25T10:25:14.387Z", "date_only": false, "value": "2026-09-25T10:25:14.387Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-99042", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-10-23T12:22:01.804Z", "date_only": false, "value": "2026-10-23T12:22:01.804Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-99042", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-10-23T13:17:00Z", "date_only": false, "value": "2026-10-23T13:17:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2026-99042", "record": "UBUNTU-CVE-2026-99042", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-10-23T13:17:27Z", "date_only": false, "value": "2026-10-23T13:17:27Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-CG89-27G3-43V4", "record": "GHSA-CG89-27G3-43V4", "field": "database_specific.nvd_published_at", "linked_record": true}, {"timestamp": "2026-10-23T13:17:27.610Z", "date_only": false, "value": "2026-10-23T13:17:27.610", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-99042", "record": "FKIE_CVE-2026-99042", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-10-23T14:08:24.325Z", "date_only": false, "value": "2026-10-23T14:08:24.325213Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117490614521590243", "record": "CVE-2026-99042", "field": "creation_timestamp", "uuid": "3429d53c-355b-456c-9d7f-20421976b034", "content": "CVE-2026-99042 io_uring/net: populate CONNECT filter fields for 24-byte sockaddr_in6 In the Linux kernel, the following vulnerability has been resolved:\nio_uring/net: populate CONNECT filter fields for 24-byte sockaddr_in6\nio_connect_bpf_populate() fills connect.port and connect.v6_addr forAF_INET6 only when addr_len >= sizeof(struct sockaddr_in6), i.e. 28bytes.\nThe IPv6 connect paths accept SIN6_LEN_RFC2133 (24 bytes), whichalready holds sin6_port and sin6_addr. io_connect() passes addr_len tothe socket layer unchanged.\nAt addr_len 24 the filter sees family AF_INET6 with port and addresszero, while the kernel connects to the real destination. A filter thatdenies an IPv6 port or address is bypassed. Denying connect.port == Prejects [::1]:P with -EACCES at addr_len 28 but connects at addr_len 24.\nUse SIN6_LEN_RFC2133 as the threshold. sin6_scope_id stays zero whenabsent.\nThe threshold mismatch was found by an AI coding assistant (Claude Code)comparing this hook against the net/ipv6 length checks on myinstructions; it also drafted the reproducer and this patch. I verifiedthe bypass and the fix in a VM on 7.3-rc6 and that 7.2 has the samecode.\nhttps://www.cve.org/CVERecord?id=CVE-2026-99042https://git.kernel.org/stable/c/596a955d2d01b7e29d9fed60ebcf7c4ba518b8e5https://git.kernel.org/stable/c/aa5d5f8e502318e783545ba5d04bb40130b83e20#kernel #Linux#CVE_2026_99042#bot", "url": "https://infosec.exchange/users/cve/statuses/117490614521590243"}, {"timestamp": "2026-10-23T15:31:35Z", "date_only": false, "value": "2026-10-23T15:31:35Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-CG89-27G3-43V4", "record": "GHSA-CG89-27G3-43V4", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-10-24T14:10:09.161Z", "date_only": false, "value": "2026-10-24T14:10:09.161Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2026-99042", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2026-10-24T14:10:09.161Z", "date_only": false, "value": "2026-10-24T14:10:09.161Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / Linux", "record": "CVE-2026-99042", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2026-10-24T14:16:53.347Z", "date_only": false, "value": "2026-10-24T14:16:53.347", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-99042", "record": "FKIE_CVE-2026-99042", "field": "lastModified", "linked_record": true}, {"timestamp": "2026-10-24T15:32:50Z", "date_only": false, "value": "2026-10-24T15:32:50Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-CG89-27G3-43V4", "record": "GHSA-CG89-27G3-43V4", "field": "modified", "linked_record": true}, {"timestamp": "2026-10-25T13:01:04.962Z", "date_only": false, "value": "2026-10-25T13:01:04.962502Z", "kind": "sighting", "label": "Seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mypbb6uwu52j", "record": "CVE-2026-99042", "field": "creation_timestamp", "uuid": "2d3d2a63-6da6-46d4-95f0-38950db6761a", "content": "\ud83d\udfe0 CVE-2026-99042 - High (8.4)\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/net: populate CONNE...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-99042/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "url": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mypbb6uwu52j"}, {"timestamp": "2026-10-25T23:00:00Z", "date_only": false, "value": "2026-10-25T23:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2026-4152", "record": "WID-SEC-W-2026-4152", "field": "document.tracking.revision_history.0.date", "linked_record": true}, {"timestamp": "2026-10-25T23:00:00Z", "date_only": false, "value": "2026-10-25T23:00:00.000+00:00", "kind": "milestone", "label": "Published", "source": "csaf_certbund \u00b7 WID-SEC-W-2026-4152", "record": "WID-SEC-W-2026-4152", "field": "document.tracking.initial_release_date", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-10-25T23:00:00Z", "date_only": false, "value": "2026-10-25T23:00:00.000+00:00", "kind": "other", "label": "Release date", "source": "csaf_certbund \u00b7 WID-SEC-W-2026-4152", "record": "WID-SEC-W-2026-4152", "field": "vulnerabilities.173.release_date", "linked_record": true, "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-10-28T06:07:57.243Z", "date_only": false, "value": "2026-10-28T06:07:57.243431Z", "kind": "milestone", "label": "Published", "source": "osv_bellsoft \u00b7 BELL-CVE-2026-99042", "record": "BELL-CVE-2026-99042", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-10-28T06:31:47.348Z", "date_only": false, "value": "2026-10-28T06:31:47.348679Z", "kind": "other", "label": "Updated", "source": "osv_bellsoft \u00b7 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