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https://github.com/fkie-cad/nvd-json-data-feeds.git
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102 lines
9.9 KiB
JSON
102 lines
9.9 KiB
JSON
{
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"id": "CVE-2024-48875",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2025-01-11T13:15:22.933",
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"lastModified": "2025-02-03T15:17:17.033",
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"vulnStatus": "Analyzed",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"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---"
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},
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{
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"lang": "es",
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"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 \u00e1rbol de bandas RAID, obtenemos el siguiente mensaje de lockdep: Informaci\u00f3n de BTRFS (dispositivo sdd): dev_replace de /dev/sdd (devid 1) a /dev/sdb iniciado ============================================ ADVERTENCIA: se detect\u00f3 un posible bloqueo recursivo 6.11.0-rc3-btrfs-for-next #599 No contaminado -------------------------------------------- btrfs/2326 est\u00e1 intentando adquirir el bloqueo: ffff88810f215c98 (&fs_info->dev_replace.rwsem){++++}-{3:3}, en: btrfs_map_block+0x39f/0x2250 pero la tarea ya tiene el bloqueo: ffff88810f215c98 (&fs_info->dev_replace.rwsem){++++}-{3:3}, en: btrfs_map_block+0x39f/0x2250 otra informaci\u00f3n que podr\u00eda ayudarnos a depurar esto: Posible escenario de bloqueo inseguro: CPU0 ---- lock(&fs_info->dev_replace.rwsem); lock(&fs_info->dev_replace.rwsem); *** BLOQUEO INTERMEDIO *** Puede deberse a la falta de notaci\u00f3n de anidamiento de bloqueo 1 bloqueo mantenido por btrfs/2326: #0: ffff88810f215c98 (&fs_info->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_extensi\u00f3n_b\u00fafer_p\u00e1ginas+0x3df/0x6c0 btrfs_lectura_extensi\u00f3n_b\u00fafer+0x13e/0x5f0 lectura_\u00e1rbol_bloque+0x81/0xe0 lectura_bloque_para_b\u00fasqueda+0x4bd/0x7a0 ? __pfx_lectura_bloque_para_b\u00fasqueda+0x10/0x10 btrfs_b\u00fasqueda_slot+0x78d/0x2720 ? __pfx_btrfs_b\u00fasqueda_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 ? liberaci\u00f3n 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 ? obtenci\u00f3n_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---"
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 3.6
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-667"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "6.6.66",
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"matchCriteriaId": "90A079EF-8212-45DF-84FB-C525A64635B0"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.7",
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"versionEndExcluding": "6.12.5",
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"matchCriteriaId": "9501D045-7A94-42CA-8B03-821BE94A65B7"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/8cca35cb29f81eba3e96ec44dad8696c8a2f9138",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/a2e99dcd7aafa9d474f7d9b0740b8f93c4e156c2",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/a5bc4e030f50fdbb1fbc69acc1e0c5f57c79d044",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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}
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]
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} |