CVE-2025-38265 (GCVE-0-2025-38265)

Vulnerability from cvelistv5 – Published: 2025-07-10 07:37 – Updated: 2026-05-11 21:24
VLAI?
Title
serial: jsm: fix NPE during jsm_uart_port_init
Summary
In the Linux kernel, the following vulnerability has been resolved: serial: jsm: fix NPE during jsm_uart_port_init No device was set which caused serial_base_ctrl_add to crash. BUG: kernel NULL pointer dereference, address: 0000000000000050 Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 16 UID: 0 PID: 368 Comm: (udev-worker) Not tainted 6.12.25-amd64 #1 Debian 6.12.25-1 RIP: 0010:serial_base_ctrl_add+0x96/0x120 Call Trace: <TASK> serial_core_register_port+0x1a0/0x580 ? __setup_irq+0x39c/0x660 ? __kmalloc_cache_noprof+0x111/0x310 jsm_uart_port_init+0xe8/0x180 [jsm] jsm_probe_one+0x1f4/0x410 [jsm] local_pci_probe+0x42/0x90 pci_device_probe+0x22f/0x270 really_probe+0xdb/0x340 ? pm_runtime_barrier+0x54/0x90 ? __pfx___driver_attach+0x10/0x10 __driver_probe_device+0x78/0x110 driver_probe_device+0x1f/0xa0 __driver_attach+0xba/0x1c0 bus_for_each_dev+0x8c/0xe0 bus_add_driver+0x112/0x1f0 driver_register+0x72/0xd0 jsm_init_module+0x36/0xff0 [jsm] ? __pfx_jsm_init_module+0x10/0x10 [jsm] do_one_initcall+0x58/0x310 do_init_module+0x60/0x230 Tested with Digi Neo PCIe 8 port card.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 84a9582fd203063cd4d301204971ff2cd8327f1a , < 3258d7ff8ebfa451426662b23e8f2b51b129afe1 (git)
Affected: 84a9582fd203063cd4d301204971ff2cd8327f1a , < 985961dd2688a527a4847300d41beaad475ab7af (git)
Affected: 84a9582fd203063cd4d301204971ff2cd8327f1a , < a14c0d2eb3f0b1836fdec22908b87ecffd2ac844 (git)
Affected: 84a9582fd203063cd4d301204971ff2cd8327f1a , < abaecb2a4ad021c2f2426e9b2a9c020aef57aca9 (git)
Affected: 84a9582fd203063cd4d301204971ff2cd8327f1a , < e3975aa899c0a3bbc10d035e699b142cd1373a71 (git)
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Linux Linux Affected: 6.5
Unaffected: 0 , < 6.5 (semver)
Unaffected: 6.6.94 , ≤ 6.6.* (semver)
Unaffected: 6.12.33 , ≤ 6.12.* (semver)
Unaffected: 6.14.11 , ≤ 6.14.* (semver)
Unaffected: 6.15.2 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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          "product": "Linux",
          "programFiles": [
            "drivers/tty/serial/jsm/jsm_tty.c"
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: jsm: fix NPE during jsm_uart_port_init\n\nNo device was set which caused serial_base_ctrl_add to crash.\n\n BUG: kernel NULL pointer dereference, address: 0000000000000050\n Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI\n CPU: 16 UID: 0 PID: 368 Comm: (udev-worker) Not tainted 6.12.25-amd64 #1  Debian 6.12.25-1\n RIP: 0010:serial_base_ctrl_add+0x96/0x120\n Call Trace:\n  \u003cTASK\u003e\n  serial_core_register_port+0x1a0/0x580\n  ? __setup_irq+0x39c/0x660\n  ? __kmalloc_cache_noprof+0x111/0x310\n  jsm_uart_port_init+0xe8/0x180 [jsm]\n  jsm_probe_one+0x1f4/0x410 [jsm]\n  local_pci_probe+0x42/0x90\n  pci_device_probe+0x22f/0x270\n  really_probe+0xdb/0x340\n  ? pm_runtime_barrier+0x54/0x90\n  ? __pfx___driver_attach+0x10/0x10\n  __driver_probe_device+0x78/0x110\n  driver_probe_device+0x1f/0xa0\n  __driver_attach+0xba/0x1c0\n  bus_for_each_dev+0x8c/0xe0\n  bus_add_driver+0x112/0x1f0\n  driver_register+0x72/0xd0\n  jsm_init_module+0x36/0xff0 [jsm]\n  ? __pfx_jsm_init_module+0x10/0x10 [jsm]\n  do_one_initcall+0x58/0x310\n  do_init_module+0x60/0x230\n\nTested with Digi Neo PCIe 8 port card."
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      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:24:27.453Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
        {
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      ],
      "title": "serial: jsm: fix NPE during jsm_uart_port_init",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38265",
    "datePublished": "2025-07-10T07:37:33.778Z",
    "dateReserved": "2025-04-16T04:51:23.998Z",
    "dateUpdated": "2026-05-11T21:24:27.453Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38265\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-07-10T08:15:24.600\",\"lastModified\":\"2025-11-18T18:27:39.153\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nserial: jsm: fix NPE during jsm_uart_port_init\\n\\nNo device was set which caused serial_base_ctrl_add to crash.\\n\\n BUG: kernel NULL pointer dereference, address: 0000000000000050\\n Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI\\n CPU: 16 UID: 0 PID: 368 Comm: (udev-worker) Not tainted 6.12.25-amd64 #1  Debian 6.12.25-1\\n RIP: 0010:serial_base_ctrl_add+0x96/0x120\\n Call Trace:\\n  \u003cTASK\u003e\\n  serial_core_register_port+0x1a0/0x580\\n  ? __setup_irq+0x39c/0x660\\n  ? __kmalloc_cache_noprof+0x111/0x310\\n  jsm_uart_port_init+0xe8/0x180 [jsm]\\n  jsm_probe_one+0x1f4/0x410 [jsm]\\n  local_pci_probe+0x42/0x90\\n  pci_device_probe+0x22f/0x270\\n  really_probe+0xdb/0x340\\n  ? pm_runtime_barrier+0x54/0x90\\n  ? __pfx___driver_attach+0x10/0x10\\n  __driver_probe_device+0x78/0x110\\n  driver_probe_device+0x1f/0xa0\\n  __driver_attach+0xba/0x1c0\\n  bus_for_each_dev+0x8c/0xe0\\n  bus_add_driver+0x112/0x1f0\\n  driver_register+0x72/0xd0\\n  jsm_init_module+0x36/0xff0 [jsm]\\n  ? __pfx_jsm_init_module+0x10/0x10 [jsm]\\n  do_one_initcall+0x58/0x310\\n  do_init_module+0x60/0x230\\n\\nTested with Digi Neo PCIe 8 port card.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: serial: jsm: fix NPE durante jsm_uart_port_init No se configur\u00f3 ning\u00fan dispositivo que caus\u00f3 que serial_base_ctrl_add se bloqueara. ERROR: desreferencia de puntero NULL del kernel, direcci\u00f3n: 000000000000050 Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 16 UID: 0 PID: 368 Comm: (udev-worker) No contaminado 6.12.25-amd64 #1 Debian 6.12.25-1 RIP: 0010:serial_base_ctrl_add+0x96/0x120 Rastreo de llamadas:  serial_core_register_port+0x1a0/0x580 ? __setup_irq+0x39c/0x660 ? __kmalloc_cache_noprof+0x111/0x310 jsm_uart_port_init+0xe8/0x180 [jsm] jsm_probe_one+0x1f4/0x410 [jsm] local_pci_probe+0x42/0x90 pci_device_probe+0x22f/0x270 really_probe+0xdb/0x340 ? pm_runtime_barrier+0x54/0x90 ? __pfx___driver_attach+0x10/0x10 __driver_probe_device+0x78/0x110 driver_probe_device+0x1f/0xa0 __driver_attach+0xba/0x1c0 bus_for_each_dev+0x8c/0xe0 bus_add_driver+0x112/0x1f0 driver_register+0x72/0xd0 jsm_init_module+0x36/0xff0 [jsm] ? __pfx_jsm_init_module+0x10/0x10 [jsm] do_one_initcall+0x58/0x310 do_init_module+0x60/0x230 Probado con la tarjeta Digi Neo PCIe de 8 puertos.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.5\",\"versionEndExcluding\":\"6.6.94\",\"matchCriteriaId\":\"3D3A3F5D-1F88-4BFE-92A6-43E827D27BE3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.33\",\"matchCriteriaId\":\"A2859AC4-2A0C-40F2-AEC9-40693D2E0038\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.14.11\",\"matchCriteriaId\":\"11A49F74-21D6-4C09-888D-FAB31E79FBC3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.15\",\"versionEndExcluding\":\"6.15.2\",\"matchCriteriaId\":\"5C28A2D1-4E5D-4F87-AEFA-9268B4CB0980\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3258d7ff8ebfa451426662b23e8f2b51b129afe1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/985961dd2688a527a4847300d41beaad475ab7af\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a14c0d2eb3f0b1836fdec22908b87ecffd2ac844\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/abaecb2a4ad021c2f2426e9b2a9c020aef57aca9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e3975aa899c0a3bbc10d035e699b142cd1373a71\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.