fkie_cve-2025-22002
Vulnerability from fkie_nvd
Published
2025-04-03 08:15
Modified
2025-10-01 17:15
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: netfs: Call `invalidate_cache` only if implemented Many filesystems such as NFS and Ceph do not implement the `invalidate_cache` method. On those filesystems, if writing to the cache (`NETFS_WRITE_TO_CACHE`) fails for some reason, the kernel crashes like this: BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 0 P4D 0 Oops: Oops: 0010 [#1] SMP PTI CPU: 9 UID: 0 PID: 3380 Comm: kworker/u193:11 Not tainted 6.13.3-cm4all1-hp #437 Hardware name: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 10/17/2018 Workqueue: events_unbound netfs_write_collection_worker RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffff9b86e2ca7dc0 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 7fffffffffffffff RDX: 0000000000000001 RSI: ffff89259d576a18 RDI: ffff89259d576900 RBP: ffff89259d5769b0 R08: ffff9b86e2ca7d28 R09: 0000000000000002 R10: ffff89258ceaca80 R11: 0000000000000001 R12: 0000000000000020 R13: ffff893d158b9338 R14: ffff89259d576900 R15: ffff89259d5769b0 FS: 0000000000000000(0000) GS:ffff893c9fa40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000054442e003 CR4: 00000000001706f0 Call Trace: <TASK> ? __die+0x1f/0x60 ? page_fault_oops+0x15c/0x460 ? try_to_wake_up+0x2d2/0x530 ? exc_page_fault+0x5e/0x100 ? asm_exc_page_fault+0x22/0x30 netfs_write_collection_worker+0xe9f/0x12b0 ? xs_poll_check_readable+0x3f/0x80 ? xs_stream_data_receive_workfn+0x8d/0x110 process_one_work+0x134/0x2d0 worker_thread+0x299/0x3a0 ? __pfx_worker_thread+0x10/0x10 kthread+0xba/0xe0 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x30/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1a/0x30 </TASK> Modules linked in: CR2: 0000000000000000 This patch adds the missing `NULL` check.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0def1a40c3e76a468f8f66aa572caed44ec37277Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/344b7ef248f420ed4ba3a3539cb0a0fc18df9a6cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c2d5d14a7bcbb045d0cd0095cefe95f2a4b91159Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.14
linux linux_kernel 6.14
linux linux_kernel 6.14
linux linux_kernel 6.14
linux linux_kernel 6.14
linux linux_kernel 6.14
linux linux_kernel 6.14


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{
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Call `invalidate_cache` only if implemented\n\nMany filesystems such as NFS and Ceph do not implement the\n`invalidate_cache` method.  On those filesystems, if writing to the\ncache (`NETFS_WRITE_TO_CACHE`) fails for some reason, the kernel\ncrashes like this:\n\n BUG: kernel NULL pointer dereference, address: 0000000000000000\n #PF: supervisor instruction fetch in kernel mode\n #PF: error_code(0x0010) - not-present page\n PGD 0 P4D 0\n Oops: Oops: 0010 [#1] SMP PTI\n CPU: 9 UID: 0 PID: 3380 Comm: kworker/u193:11 Not tainted 6.13.3-cm4all1-hp #437\n Hardware name: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 10/17/2018\n Workqueue: events_unbound netfs_write_collection_worker\n RIP: 0010:0x0\n Code: Unable to access opcode bytes at 0xffffffffffffffd6.\n RSP: 0018:ffff9b86e2ca7dc0 EFLAGS: 00010202\n RAX: 0000000000000000 RBX: 0000000000000000 RCX: 7fffffffffffffff\n RDX: 0000000000000001 RSI: ffff89259d576a18 RDI: ffff89259d576900\n RBP: ffff89259d5769b0 R08: ffff9b86e2ca7d28 R09: 0000000000000002\n R10: ffff89258ceaca80 R11: 0000000000000001 R12: 0000000000000020\n R13: ffff893d158b9338 R14: ffff89259d576900 R15: ffff89259d5769b0\n FS:  0000000000000000(0000) GS:ffff893c9fa40000(0000) knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: ffffffffffffffd6 CR3: 000000054442e003 CR4: 00000000001706f0\n Call Trace:\n  \u003cTASK\u003e\n  ? __die+0x1f/0x60\n  ? page_fault_oops+0x15c/0x460\n  ? try_to_wake_up+0x2d2/0x530\n  ? exc_page_fault+0x5e/0x100\n  ? asm_exc_page_fault+0x22/0x30\n  netfs_write_collection_worker+0xe9f/0x12b0\n  ? xs_poll_check_readable+0x3f/0x80\n  ? xs_stream_data_receive_workfn+0x8d/0x110\n  process_one_work+0x134/0x2d0\n  worker_thread+0x299/0x3a0\n  ? __pfx_worker_thread+0x10/0x10\n  kthread+0xba/0xe0\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork+0x30/0x50\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork_asm+0x1a/0x30\n  \u003c/TASK\u003e\n Modules linked in:\n CR2: 0000000000000000\n\nThis patch adds the missing `NULL` check."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfs: llamar a `invalidate_cache` solo si est\u00e1 implementado Muchos sistemas de archivos como NFS y Ceph no implementan el m\u00e9todo `invalidate_cache`. En esos sistemas de archivos, si la escritura en la cach\u00e9 (`NETFS_WRITE_TO_CACHE`) falla por alguna raz\u00f3n, el n\u00facleo se bloquea de la siguiente manera: ERROR: desreferencia de puntero NULL del n\u00facleo, direcci\u00f3n: 0000000000000000 #PF: obtenci\u00f3n de instrucci\u00f3n de supervisor en modo n\u00facleo #PF: error_code(0x0010) - p\u00e1gina no presente PGD 0 P4D 0 Oops: Oops: 0010 [#1] SMP PTI CPU: 9 UID: 0 PID: 3380 Comm: kworker/u193:11 No contaminado 6.13.3-cm4all1-hp #437 Nombre del hardware: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 17/10/2018 Cola de trabajo: events_unbound netfs_write_collection_worker RIP: 0010:0x0 C\u00f3digo: No se puede acceder a los bytes del c\u00f3digo de operaci\u00f3n en 0xffffffffffffffd6. RSP: 0018:ffff9b86e2ca7dc0 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 7ffffffffffffffff RDX: 0000000000000001 RSI: ffff89259d576a18 RDI: ffff89259d576900 RBP: ffff89259d5769b0 R08: ffff9b86e2ca7d28 R09: 000000000000002 R10: ffff89258ceaca80 R11: 000000000000001 R12: 0000000000000020 R13: ffff893d158b9338 R14: ffff89259d576900 R15: ffff89259d5769b0 FS: 000000000000000(0000) GS:ffff893c9fa40000(0000) knlGS:000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000080050033 CR2: ffffffffffffffd6 CR3: 000000054442e003 CR4: 0000000001706f0 Seguimiento de llamadas:  ? __die+0x1f/0x60 ? page_fault_oops+0x15c/0x460 ? try_to_wake_up+0x2d2/0x530 ? exc_page_fault+0x5e/0x100 ? asm_exc_page_fault+0x22/0x30 netfs_write_collection_worker+0xe9f/0x12b0 ? xs_poll_check_readable+0x3f/0x80 ? xs_stream_data_receive_workfn+0x8d/0x110 process_one_work+0x134/0x2d0 subproceso_trabajador+0x299/0x3a0 ? __pfx_worker_thread+0x10/0x10 kthread+0xba/0xe0 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x30/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1a/0x30  M\u00f3dulos vinculados en: CR2: 0000000000000000 Este parche agrega la comprobaci\u00f3n `NULL` faltante."
    }
  ],
  "id": "CVE-2025-22002",
  "lastModified": "2025-10-01T17:15:40.860",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-04-03T08:15:15.723",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/0def1a40c3e76a468f8f66aa572caed44ec37277"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "url": "https://git.kernel.org/stable/c/344b7ef248f420ed4ba3a3539cb0a0fc18df9a6c"
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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