{"metadata": {"vulnerability": "CVE-2026-99141", "count": 22, "kinds": {"milestone": 7, "sighting": 1, "kev": 0, "other": 14}, "linked_omitted": 0}, "data": [{"timestamp": "2026-09-25T10:25:14.395Z", "date_only": false, "value": "2026-09-25T10:25:14.395Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-99141", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-10-28T10:34:52.091Z", "date_only": false, "value": "2026-10-28T10:34:52.091Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-99141", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-10-28T10:34:52.091Z", "date_only": false, "value": "2026-10-28T10:34:52.091Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2026-99141", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2026-10-28T10:34:52.091Z", "date_only": false, "value": "2026-10-28T10:34:52.091Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / Linux", "record": "CVE-2026-99141", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2026-10-28T11:11:29.037Z", "date_only": false, "value": "2026-10-28T11:11:29.037548Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117518230384323542", "record": "CVE-2026-99141", "field": "creation_timestamp", "uuid": "93ee9582-d598-4e16-9d43-8e6664276f6e", "content": "CVE-2026-99141 tracing: Fix crash in print_graph_function_event() In the Linux kernel, the following vulnerability has been resolved:\ntracing: Fix crash in print_graph_function_event()\ntracing_set_tracer() assigns the flags of the newly selected tracerwith:\n\ttr->current_trace_flags = t->flags ? : t->tracer->flags;\nIf the new tracer defines neither static flags nor default flags, likehwlat, irqsoff or wakeup, add_tracer() has no per instance flags copyfor it, and both operands are NULL, so tr->current_trace_flags ends upbeing NULL as well.\nThe ring buffer is not cleared when switching tracers: it is resetinside tracer_init(), after current_trace_flags was already assigned.If the buffer still holds function_graph entries of the previoustracer, printing one of them dereferences the NULL pointer. This washit by cat trace during an ftrace stress test:\n  BUG: kernel NULL pointer dereference, address: 0000000000000000  #PF: supervisor read access in kernel mode  RIP: 0010:print_graph_function_event+0xe/0x20  Call Trace:   s_show+0x4d/0x110   seq_read_iter+0x2d4/0x490   seq_read+0x130/0x170   vfs_read+0xb5/0x370   ksys_read+0x6d/0xe0   do_syscall_64+0xbc/0x450\nThe snapshot buffer is not reset at all, so this can be reproducedwithout a race:\n  echo function_graph > /sys/kernel/tracing/current_tracer  echo 1 > /sys/kernel/tracing/snapshot  echo hwlat > /sys/kernel/tracing/current_tracer  cat /sys/kernel/tracing/snapshot\nRather than teaching every user of tr->current_trace_flags about thiscorner case, make sure it is never NULL: when the newly selectedtracer has no flags at all, tracing_set_tracer() falls back to astatic empty no_tracer_flags. run_tracer_selftest() can hit the samecase, so the same fallback is added there too. The existing usersalready handle opts == NULL, so these tracers keep behaving as before.\nhttps://www.cve.org/CVERecord?id=CVE-2026-99141https://git.kernel.org/stable/c/b1547c6ba93b8863010aa324cd20c441f886f23ehttps://git.kernel.org/stable/c/3cc117514d69067a94d6c7479730dce41e678f50#kernel #Linux#CVE_2026_99141#bot", "url": "https://infosec.exchange/users/cve/statuses/117518230384323542"}, {"timestamp": "2026-10-28T11:17:00Z", "date_only": false, "value": "2026-10-28T11:17:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2026-99141", "record": "UBUNTU-CVE-2026-99141", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-10-28T11:17:34Z", "date_only": false, "value": "2026-10-28T11:17:34Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-JFP7-C7J3-V9PJ", "record": "GHSA-JFP7-C7J3-V9PJ", "field": "database_specific.nvd_published_at", 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