cve-2024-50014
Vulnerability from cvelistv5
Published
2024-10-21 18:54
Modified
2025-02-02 10:14
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ext4: fix access to uninitialised lock in fc replay path The following kernel trace can be triggered with fstest generic/629 when executed against a filesystem with fast-commit feature enabled: INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 0 PID: 866 Comm: mount Not tainted 6.10.0+ #11 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.2-3-gd478f380-prebuilt.qemu.org 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x66/0x90 register_lock_class+0x759/0x7d0 __lock_acquire+0x85/0x2630 ? __find_get_block+0xb4/0x380 lock_acquire+0xd1/0x2d0 ? __ext4_journal_get_write_access+0xd5/0x160 _raw_spin_lock+0x33/0x40 ? __ext4_journal_get_write_access+0xd5/0x160 __ext4_journal_get_write_access+0xd5/0x160 ext4_reserve_inode_write+0x61/0xb0 __ext4_mark_inode_dirty+0x79/0x270 ? ext4_ext_replay_set_iblocks+0x2f8/0x450 ext4_ext_replay_set_iblocks+0x330/0x450 ext4_fc_replay+0x14c8/0x1540 ? jread+0x88/0x2e0 ? rcu_is_watching+0x11/0x40 do_one_pass+0x447/0xd00 jbd2_journal_recover+0x139/0x1b0 jbd2_journal_load+0x96/0x390 ext4_load_and_init_journal+0x253/0xd40 ext4_fill_super+0x2cc6/0x3180 ... In the replay path there's an attempt to lock sbi->s_bdev_wb_lock in function ext4_check_bdev_write_error(). Unfortunately, at this point this spinlock has not been initialized yet. Moving it's initialization to an earlier point in __ext4_fill_super() fixes this splat.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/13ea9547763a0488a90ff37cdf52ec85e36ea344
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/23dfdb56581ad92a9967bcd720c8c23356af74c1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6e35f560daebe40264c95e9a1ab03110d4997df6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b002031d585a14eed511117dda8c6452a804d508Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d157fc20ca5239fd56965a5a8aa1a0e25919891aPatch
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
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                "id": "CVE-2024-50014",
                "options": [
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                "role": "CISA Coordinator",
                "timestamp": "2024-10-22T13:28:16.018937Z",
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix access to uninitialised lock in fc replay path\n\nThe following kernel trace can be triggered with fstest generic/629 when\nexecuted against a filesystem with fast-commit feature enabled:\n\nINFO: trying to register non-static key.\nThe code is fine but needs lockdep annotation, or maybe\nyou didn\u0027t initialize this object before use?\nturning off the locking correctness validator.\nCPU: 0 PID: 866 Comm: mount Not tainted 6.10.0+ #11\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.2-3-gd478f380-prebuilt.qemu.org 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x66/0x90\n register_lock_class+0x759/0x7d0\n __lock_acquire+0x85/0x2630\n ? __find_get_block+0xb4/0x380\n lock_acquire+0xd1/0x2d0\n ? __ext4_journal_get_write_access+0xd5/0x160\n _raw_spin_lock+0x33/0x40\n ? __ext4_journal_get_write_access+0xd5/0x160\n __ext4_journal_get_write_access+0xd5/0x160\n ext4_reserve_inode_write+0x61/0xb0\n __ext4_mark_inode_dirty+0x79/0x270\n ? ext4_ext_replay_set_iblocks+0x2f8/0x450\n ext4_ext_replay_set_iblocks+0x330/0x450\n ext4_fc_replay+0x14c8/0x1540\n ? jread+0x88/0x2e0\n ? rcu_is_watching+0x11/0x40\n do_one_pass+0x447/0xd00\n jbd2_journal_recover+0x139/0x1b0\n jbd2_journal_load+0x96/0x390\n ext4_load_and_init_journal+0x253/0xd40\n ext4_fill_super+0x2cc6/0x3180\n...\n\nIn the replay path there\u0027s an attempt to lock sbi-\u003es_bdev_wb_lock in\nfunction ext4_check_bdev_write_error().  Unfortunately, at this point this\nspinlock has not been initialized yet.  Moving it\u0027s initialization to an\nearlier point in __ext4_fill_super() fixes this splat."
        }
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      "providerMetadata": {
        "dateUpdated": "2025-02-02T10:14:57.813Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/d157fc20ca5239fd56965a5a8aa1a0e25919891a"
        },
        {
          "url": "https://git.kernel.org/stable/c/b002031d585a14eed511117dda8c6452a804d508"
        },
        {
          "url": "https://git.kernel.org/stable/c/23dfdb56581ad92a9967bcd720c8c23356af74c1"
        }
      ],
      "title": "ext4: fix access to uninitialised lock in fc replay path",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-50014",
    "datePublished": "2024-10-21T18:54:05.764Z",
    "dateReserved": "2024-10-21T12:17:06.062Z",
    "dateUpdated": "2025-02-02T10:14:57.813Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-50014\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-10-21T19:15:04.830\",\"lastModified\":\"2025-02-02T11:15:10.603\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\next4: fix access to uninitialised lock in fc replay path\\n\\nThe following kernel trace can be triggered with fstest generic/629 when\\nexecuted against a filesystem with fast-commit feature enabled:\\n\\nINFO: trying to register non-static key.\\nThe code is fine but needs lockdep annotation, or maybe\\nyou didn\u0027t initialize this object before use?\\nturning off the locking correctness validator.\\nCPU: 0 PID: 866 Comm: mount Not tainted 6.10.0+ #11\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.2-3-gd478f380-prebuilt.qemu.org 04/01/2014\\nCall Trace:\\n \u003cTASK\u003e\\n dump_stack_lvl+0x66/0x90\\n register_lock_class+0x759/0x7d0\\n __lock_acquire+0x85/0x2630\\n ? __find_get_block+0xb4/0x380\\n lock_acquire+0xd1/0x2d0\\n ? __ext4_journal_get_write_access+0xd5/0x160\\n _raw_spin_lock+0x33/0x40\\n ? __ext4_journal_get_write_access+0xd5/0x160\\n __ext4_journal_get_write_access+0xd5/0x160\\n ext4_reserve_inode_write+0x61/0xb0\\n __ext4_mark_inode_dirty+0x79/0x270\\n ? ext4_ext_replay_set_iblocks+0x2f8/0x450\\n ext4_ext_replay_set_iblocks+0x330/0x450\\n ext4_fc_replay+0x14c8/0x1540\\n ? jread+0x88/0x2e0\\n ? rcu_is_watching+0x11/0x40\\n do_one_pass+0x447/0xd00\\n jbd2_journal_recover+0x139/0x1b0\\n jbd2_journal_load+0x96/0x390\\n ext4_load_and_init_journal+0x253/0xd40\\n ext4_fill_super+0x2cc6/0x3180\\n...\\n\\nIn the replay path there\u0027s an attempt to lock sbi-\u003es_bdev_wb_lock in\\nfunction ext4_check_bdev_write_error().  Unfortunately, at this point this\\nspinlock has not been initialized yet.  Moving it\u0027s initialization to an\\nearlier point in __ext4_fill_super() fixes this splat.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ext4: se corrige el acceso a un bloqueo no inicializado en la ruta de reproducci\u00f3n de fc El siguiente seguimiento del kernel se puede activar con fstest generic/629 cuando se ejecuta contra un sistema de archivos con la funci\u00f3n de confirmaci\u00f3n r\u00e1pida habilitada: INFO: intentando registrar una clave no est\u00e1tica. El c\u00f3digo est\u00e1 bien, pero necesita la anotaci\u00f3n lockdep, o tal vez no inicializ\u00f3 este objeto antes de usarlo. Desactivando el validador de correcci\u00f3n de bloqueo. CPU: 0 PID: 866 Comm: montaje No contaminado 6.10.0+ #11 Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS rel-1.16.2-3-gd478f380-prebuilt.qemu.org 01/04/2014 Seguimiento de llamadas:  dump_stack_lvl+0x66/0x90 register_lock_class+0x759/0x7d0 __lock_acquire+0x85/0x2630 ? __find_get_block+0xb4/0x380 lock_acquire+0xd1/0x2d0 ? __ext4_journal_get_write_access+0xd5/0x160 _raw_spin_lock+0x33/0x40 ? ext4_ext_replay_set_iblocks+0x2f8/0x450 ext4_ext_replay_set_iblocks+0x330/0x450 ext4_fc_replay+0x14c8/0x1540 ? jread+0x88/0x2e0 ? rcu_is_watching+0x11/0x40 do_one_pass+0x447/0xd00 jbd2_journal_recover+0x139/0x1b0 jbd2_journal_load+0x96/0x390 ext4_load_and_init_journal+0x253/0xd40 ext4_fill_super+0x2cc6/0x3180 ... En la ruta de reproducci\u00f3n hay un intento de bloquear sbi-\u0026gt;s_bdev_wb_lock en la funci\u00f3n ext4_check_bdev_write_error(). Desafortunadamente, en este punto este spinlock a\u00fan no se ha inicializado. Mover su inicializaci\u00f3n a un punto anterior en __ext4_fill_super() corrige este problema.\"}],\"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-908\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.10.14\",\"matchCriteriaId\":\"652638C5-5F25-4DF3-AD42-DD3252A97152\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.11\",\"versionEndExcluding\":\"6.11.3\",\"matchCriteriaId\":\"54D9C704-D679-41A7-9C40-10A6B1E7FFE9\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/13ea9547763a0488a90ff37cdf52ec85e36ea344\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/23dfdb56581ad92a9967bcd720c8c23356af74c1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6e35f560daebe40264c95e9a1ab03110d4997df6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b002031d585a14eed511117dda8c6452a804d508\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d157fc20ca5239fd56965a5a8aa1a0e25919891a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-50014\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-22T13:28:16.018937Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-22T13:28:19.102Z\"}}], \"cna\": {\"title\": \"ext4: fix access to uninitialised lock in fc replay path\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"13ea9547763a0488a90ff37cdf52ec85e36ea344\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"6e35f560daebe40264c95e9a1ab03110d4997df6\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"d157fc20ca5239fd56965a5a8aa1a0e25919891a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"b002031d585a14eed511117dda8c6452a804d508\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"23dfdb56581ad92a9967bcd720c8c23356af74c1\", \"versionType\": \"git\"}], \"programFiles\": [\"fs/ext4/super.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"6.1.128\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.75\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.14\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/ext4/super.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/13ea9547763a0488a90ff37cdf52ec85e36ea344\"}, {\"url\": \"https://git.kernel.org/stable/c/6e35f560daebe40264c95e9a1ab03110d4997df6\"}, {\"url\": \"https://git.kernel.org/stable/c/d157fc20ca5239fd56965a5a8aa1a0e25919891a\"}, {\"url\": \"https://git.kernel.org/stable/c/b002031d585a14eed511117dda8c6452a804d508\"}, {\"url\": \"https://git.kernel.org/stable/c/23dfdb56581ad92a9967bcd720c8c23356af74c1\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\next4: fix access to uninitialised lock in fc replay path\\n\\nThe following kernel trace can be triggered with fstest generic/629 when\\nexecuted against a filesystem with fast-commit feature enabled:\\n\\nINFO: trying to register non-static key.\\nThe code is fine but needs lockdep annotation, or maybe\\nyou didn\u0027t initialize this object before use?\\nturning off the locking correctness validator.\\nCPU: 0 PID: 866 Comm: mount Not tainted 6.10.0+ #11\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.2-3-gd478f380-prebuilt.qemu.org 04/01/2014\\nCall Trace:\\n \u003cTASK\u003e\\n dump_stack_lvl+0x66/0x90\\n register_lock_class+0x759/0x7d0\\n __lock_acquire+0x85/0x2630\\n ? __find_get_block+0xb4/0x380\\n lock_acquire+0xd1/0x2d0\\n ? __ext4_journal_get_write_access+0xd5/0x160\\n _raw_spin_lock+0x33/0x40\\n ? __ext4_journal_get_write_access+0xd5/0x160\\n __ext4_journal_get_write_access+0xd5/0x160\\n ext4_reserve_inode_write+0x61/0xb0\\n __ext4_mark_inode_dirty+0x79/0x270\\n ? ext4_ext_replay_set_iblocks+0x2f8/0x450\\n ext4_ext_replay_set_iblocks+0x330/0x450\\n ext4_fc_replay+0x14c8/0x1540\\n ? jread+0x88/0x2e0\\n ? rcu_is_watching+0x11/0x40\\n do_one_pass+0x447/0xd00\\n jbd2_journal_recover+0x139/0x1b0\\n jbd2_journal_load+0x96/0x390\\n ext4_load_and_init_journal+0x253/0xd40\\n ext4_fill_super+0x2cc6/0x3180\\n...\\n\\nIn the replay path there\u0027s an attempt to lock sbi-\u003es_bdev_wb_lock in\\nfunction ext4_check_bdev_write_error().  Unfortunately, at this point this\\nspinlock has not been initialized yet.  Moving it\u0027s initialization to an\\nearlier point in __ext4_fill_super() fixes this splat.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-02-02T10:14:57.813Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-50014\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-02T10:14:57.813Z\", \"dateReserved\": \"2024-10-21T12:17:06.062Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T18:54:05.764Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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