CVE-2024-48875

{
  "id": "CVE-2024-48875",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-48875",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-10-01T19:55:40.762435Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "10e27980f2ff66ba0c6da55f33b4814d5bc86573",
              "lessThan": "a2e99dcd7aafa9d474f7d9b0740b8f93c4e156c2",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "10e27980f2ff66ba0c6da55f33b4814d5bc86573",
              "lessThan": "8cca35cb29f81eba3e96ec44dad8696c8a2f9138",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "fs/btrfs/dev-replace.c",
            "fs/btrfs/fs.h",
            "fs/btrfs/volumes.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.7"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.7",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.12.5",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "fs/btrfs/dev-replace.c",
            "fs/btrfs/fs.h",
            "fs/btrfs/volumes.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-01-11T13:15:22.933",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/8cca35cb29f81eba3e96ec44dad8696c8a2f9138",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/a2e99dcd7aafa9d474f7d9b0740b8f93c4e156c2",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-667"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-667"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: don't take dev_replace rwsem on task already holding it\n\nRunning fstests btrfs/011 with MKFS_OPTIONS=\"-O rst\" to force the usage of\nthe RAID stripe-tree, we get the following splat from lockdep:\n\n BTRFS info (device sdd): dev_replace from /dev/sdd (devid 1) to /dev/sdb started\n\n ============================================\n WARNING: possible recursive locking detected\n 6.11.0-rc3-btrfs-for-next #599 Not tainted\n --------------------------------------------\n btrfs/2326 is trying to acquire lock:\n ffff88810f215c98 (&fs_info->dev_replace.rwsem){++++}-{3:3}, at: btrfs_map_block+0x39f/0x2250\n\n but task is already holding lock:\n ffff88810f215c98 (&fs_info->dev_replace.rwsem){++++}-{3:3}, at: btrfs_map_block+0x39f/0x2250\n\n other info that might help us debug this:\n  Possible unsafe locking scenario:\n\n        CPU0\n        ----\n   lock(&fs_info->dev_replace.rwsem);\n   lock(&fs_info->dev_replace.rwsem);\n\n  *** DEADLOCK ***\n\n  May be due to missing lock nesting notation\n\n 1 lock held by btrfs/2326:\n  #0: ffff88810f215c98 (&fs_info->dev_replace.rwsem){++++}-{3:3}, at: btrfs_map_block+0x39f/0x2250\n\n stack backtrace:\n CPU: 1 UID: 0 PID: 2326 Comm: btrfs Not tainted 6.11.0-rc3-btrfs-for-next #599\n Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011\n Call Trace:\n  <TASK>\n  dump_stack_lvl+0x5b/0x80\n  __lock_acquire+0x2798/0x69d0\n  ? __pfx___lock_acquire+0x10/0x10\n  ? __pfx___lock_acquire+0x10/0x10\n  lock_acquire+0x19d/0x4a0\n  ? btrfs_map_block+0x39f/0x2250\n  ? __pfx_lock_acquire+0x10/0x10\n  ? find_held_lock+0x2d/0x110\n  ? lock_is_held_type+0x8f/0x100\n  down_read+0x8e/0x440\n  ? btrfs_map_block+0x39f/0x2250\n  ? __pfx_down_read+0x10/0x10\n  ? do_raw_read_unlock+0x44/0x70\n  ? _raw_read_unlock+0x23/0x40\n  btrfs_map_block+0x39f/0x2250\n  ? btrfs_dev_replace_by_ioctl+0xd69/0x1d00\n  ? btrfs_bio_counter_inc_blocked+0xd9/0x2e0\n  ? __kasan_slab_alloc+0x6e/0x70\n  ? __pfx_btrfs_map_block+0x10/0x10\n  ? __pfx_btrfs_bio_counter_inc_blocked+0x10/0x10\n  ? kmem_cache_alloc_noprof+0x1f2/0x300\n  ? mempool_alloc_noprof+0xed/0x2b0\n  btrfs_submit_chunk+0x28d/0x17e0\n  ? __pfx_btrfs_submit_chunk+0x10/0x10\n  ? bvec_alloc+0xd7/0x1b0\n  ? bio_add_folio+0x171/0x270\n  ? __pfx_bio_add_folio+0x10/0x10\n  ? __kasan_check_read+0x20/0x20\n  btrfs_submit_bio+0x37/0x80\n  read_extent_buffer_pages+0x3df/0x6c0\n  btrfs_read_extent_buffer+0x13e/0x5f0\n  read_tree_block+0x81/0xe0\n  read_block_for_search+0x4bd/0x7a0\n  ? __pfx_read_block_for_search+0x10/0x10\n  btrfs_search_slot+0x78d/0x2720\n  ? __pfx_btrfs_search_slot+0x10/0x10\n  ? lock_is_held_type+0x8f/0x100\n  ? kasan_save_track+0x14/0x30\n  ? __kasan_slab_alloc+0x6e/0x70\n  ? kmem_cache_alloc_noprof+0x1f2/0x300\n  btrfs_get_raid_extent_offset+0x181/0x820\n  ? __pfx_lock_acquire+0x10/0x10\n  ? __pfx_btrfs_get_raid_extent_offset+0x10/0x10\n  ? down_read+0x194/0x440\n  ? __pfx_down_read+0x10/0x10\n  ? do_raw_read_unlock+0x44/0x70\n  ? _raw_read_unlock+0x23/0x40\n  btrfs_map_block+0x5b5/0x2250\n  ? __pfx_btrfs_map_block+0x10/0x10\n  scrub_submit_initial_read+0x8fe/0x11b0\n  ? __pfx_scrub_submit_initial_read+0x10/0x10\n  submit_initial_group_read+0x161/0x3a0\n  ? lock_release+0x20e/0x710\n  ? __pfx_submit_initial_group_read+0x10/0x10\n  ? __pfx_lock_release+0x10/0x10\n  scrub_simple_mirror.isra.0+0x3eb/0x580\n  scrub_stripe+0xe4d/0x1440\n  ? lock_release+0x20e/0x710\n  ? __pfx_scrub_stripe+0x10/0x10\n  ? __pfx_lock_release+0x10/0x10\n  ? do_raw_read_unlock+0x44/0x70\n  ? _raw_read_unlock+0x23/0x40\n  scrub_chunk+0x257/0x4a0\n  scrub_enumerate_chunks+0x64c/0xf70\n  ? __mutex_unlock_slowpath+0x147/0x5f0\n  ? __pfx_scrub_enumerate_chunks+0x10/0x10\n  ? bit_wait_timeout+0xb0/0x170\n  ? __up_read+0x189/0x700\n  ? scrub_workers_get+0x231/0x300\n  ? up_write+0x490/0x4f0\n  btrfs_scrub_dev+0x52e/0xcd0\n  ? create_pending_snapshots+0x230/0x250\n  ? __pfx_btrfs_scrub_dev+0x10/0x10\n  btrfs_dev_replace_by_ioctl+0xd69/0x1d00\n  ? lock_acquire+0x19d/0x4a0\n  ? __pfx_btrfs_dev_replace_by_ioctl+0x10/0x10\n  ?\n---truncated---"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: no tome dev_replace rwsem en la tarea que ya lo contiene Al ejecutar fstests btrfs/011 con MKFS_OPTIONS=\"-O rst\" para forzar el uso del árbol de bandas RAID, obtenemos el siguiente mensaje de lockdep: Información de BTRFS (dispositivo sdd): dev_replace de /dev/sdd (devid 1) a /dev/sdb iniciado ============================================ ADVERTENCIA: se detectó un posible bloqueo recursivo 6.11.0-rc3-btrfs-for-next #599 No contaminado -------------------------------------------- btrfs/2326 está intentando adquirir el bloqueo: ffff88810f215c98 (&amp;fs_info-&gt;dev_replace.rwsem){++++}-{3:3}, en: btrfs_map_block+0x39f/0x2250 pero la tarea ya tiene el bloqueo: ffff88810f215c98 (&amp;fs_info-&gt;dev_replace.rwsem){++++}-{3:3}, en: btrfs_map_block+0x39f/0x2250 otra información que podría ayudarnos a depurar esto: Posible escenario de bloqueo inseguro: CPU0 ---- lock(&amp;fs_info-&gt;dev_replace.rwsem); lock(&amp;fs_info-&gt;dev_replace.rwsem); *** BLOQUEO INTERMEDIO *** Puede deberse a la falta de notación de anidamiento de bloqueo 1 bloqueo mantenido por btrfs/2326: #0: ffff88810f215c98 (&amp;fs_info-&gt;dev_replace.rwsem){++++}-{3:3}, en: btrfs_map_block+0x39f/0x2250 seguimiento de pila: CPU: 1 UID: 0 PID: 2326 Comm: btrfs No contaminado 6.11.0-rc3-btrfs-for-next #599 Nombre del hardware: Bochs Bochs, BIOS Bochs 01/01/2011 Seguimiento de llamadas:  dump_stack_lvl+0x5b/0x80 __lock_acquire+0x2798/0x69d0 ? __pfx___lock_acquire+0x10/0x10 ? __pfx___lock_acquire+0x10/0x10 lock_acquire+0x19d/0x4a0 ? btrfs_map_block+0x39f/0x2250 ? __pfx_lock_acquire+0x10/0x10 ? find_held_lock+0x2d/0x110 ? lock_is_held_type+0x8f/0x100 down_read+0x8e/0x440 ? btrfs_map_block+0x39f/0x2250 ? __pfx_down_read+0x10/0x10 ? do_raw_read_unlock+0x44/0x70 ? kmem_cache_alloc_noprof+0x1f2/0x300 ? bvec_alloc+0xd7/0x1b0 ? bio_add_folio+0x171/0x270 ? __pfx_bio_add_folio+0x10/0x10 ? __kasan_check_read+0x20/0x20 btrfs_submit_bio+0x37/0x80 lectura_extensión_búfer_páginas+0x3df/0x6c0 btrfs_lectura_extensión_búfer+0x13e/0x5f0 lectura_árbol_bloque+0x81/0xe0 lectura_bloque_para_búsqueda+0x4bd/0x7a0 ? __pfx_lectura_bloque_para_búsqueda+0x10/0x10 btrfs_búsqueda_slot+0x78d/0x2720 ? __pfx_btrfs_búsqueda_slot+0x10/0x10 ? bloqueo_se_retiene_tipo+0x8f/0x100 ? kasan_guardar_pista+0x14/0x30 ? __kasan_slab_alloc+0x6e/0x70 ? kmem_cache_alloc_noprof+0x1f2/0x300 btrfs_get_raid_extent_offset+0x181/0x820 ? __pfx_lock_acquire+0x10/0x10 ? __pfx_btrfs_get_raid_extent_offset+0x10/0x10 ? down_read+0x194/0x440 ? __pfx_down_read+0x10/0x10 ? do_raw_read_unlock+0x44/0x70 ? _raw_read_unlock+0x23/0x40 btrfs_map_block+0x5b5/0x2250 ? liberación de bloqueo+0x20e/0x710 ? __pfx_scrub_stripe+0x10/0x10 ? __pfx_lock_release+0x10/0x10 ? hacer_desbloqueo_lectura_sin_encriptar+0x44/0x70 ? _desbloqueo_lectura_sin_encriptar+0x23/0x40 fragmento_de_scruzamiento+0x257/0x4a0 fragmento_de_scruzamiento_enumerar+0x64c/0xf70 ? __mutex_unlock_slowpath+0x147/0x5f0 ? __pfx_scrub_enumerar_chunks+0x10/0x10 ? tiempo_de_espera_bit+0xb0/0x170 ? __up_read+0x189/0x700 ? obtención_trabajadores_de_scruzamiento+0x231/0x300 ? up_write+0x490/0x4f0 btrfs_scrub_dev+0x52e/0xcd0 ? create_pending_snapshots+0x230/0x250 ? __pfx_btrfs_scrub_dev+0x10/0x10 btrfs_dev_replace_by_ioctl+0xd69/0x1d00 ? lock_acquire+0x19d/0x4a0 ? __pfx_btrfs_dev_replace_by_ioctl+0x10/0x10 ? ---truncado---"
    }
  ],
  "lastModified": "2026-06-17T07:58:56.987",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "90A079EF-8212-45DF-84FB-C525A64635B0",
              "versionEndExcluding": "6.6.66"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9501D045-7A94-42CA-8B03-821BE94A65B7",
              "versionEndExcluding": "6.12.5",
              "versionStartIncluding": "6.7"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}