cve-2024-41083
Vulnerability from cvelistv5
Published
2024-07-29 15:47
Modified
2024-11-05 09:36
Severity ?
Summary
netfs: Fix netfs_page_mkwrite() to check folio->mapping is valid
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3473eb87afd402e415a8ca885b284ea0420dde25Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a81c98bfa40c11f8ea79b5a9b3f5fda73bfbb4d2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3473eb87afd402e415a8ca885b284ea0420dde25Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a81c98bfa40c11f8ea79b5a9b3f5fda73bfbb4d2Patch
Impacted products
Vendor Product Version
Linux Linux Version: 6.8
Show details on NVD website

To clipboard 

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                "id": "CVE-2024-41083",
                "options": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Fix netfs_page_mkwrite() to check folio-\u003emapping is valid\n\nFix netfs_page_mkwrite() to check that folio-\u003emapping is valid once it has\ntaken the folio lock (as filemap_page_mkwrite() does).  Without this,\ngeneric/247 occasionally oopses with something like the following:\n\n    BUG: kernel NULL pointer dereference, address: 0000000000000000\n    #PF: supervisor read access in kernel mode\n    #PF: error_code(0x0000) - not-present page\n\n    RIP: 0010:trace_event_raw_event_netfs_folio+0x61/0xc0\n    ...\n    Call Trace:\n     \u003cTASK\u003e\n     ? __die_body+0x1a/0x60\n     ? page_fault_oops+0x6e/0xa0\n     ? exc_page_fault+0xc2/0xe0\n     ? asm_exc_page_fault+0x22/0x30\n     ? trace_event_raw_event_netfs_folio+0x61/0xc0\n     trace_netfs_folio+0x39/0x40\n     netfs_page_mkwrite+0x14c/0x1d0\n     do_page_mkwrite+0x50/0x90\n     do_pte_missing+0x184/0x200\n     __handle_mm_fault+0x42d/0x500\n     handle_mm_fault+0x121/0x1f0\n     do_user_addr_fault+0x23e/0x3c0\n     exc_page_fault+0xc2/0xe0\n     asm_exc_page_fault+0x22/0x30\n\nThis is due to the invalidate_inode_pages2_range() issued at the end of the\nDIO write interfering with the mmap\u0027d writes."
        }
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      "title": "netfs: Fix netfs_page_mkwrite() to check folio-\u003emapping is valid",
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    "datePublished": "2024-07-29T15:47:59.419Z",
    "dateReserved": "2024-07-12T12:17:45.633Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-41083\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-29T16:15:03.790\",\"lastModified\":\"2024-11-21T09:32:12.587\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetfs: Fix netfs_page_mkwrite() to check folio-\u003emapping is valid\\n\\nFix netfs_page_mkwrite() to check that folio-\u003emapping is valid once it has\\ntaken the folio lock (as filemap_page_mkwrite() does).  Without this,\\ngeneric/247 occasionally oopses with something like the following:\\n\\n    BUG: kernel NULL pointer dereference, address: 0000000000000000\\n    #PF: supervisor read access in kernel mode\\n    #PF: error_code(0x0000) - not-present page\\n\\n    RIP: 0010:trace_event_raw_event_netfs_folio+0x61/0xc0\\n    ...\\n    Call Trace:\\n     \u003cTASK\u003e\\n     ? __die_body+0x1a/0x60\\n     ? page_fault_oops+0x6e/0xa0\\n     ? exc_page_fault+0xc2/0xe0\\n     ? asm_exc_page_fault+0x22/0x30\\n     ? trace_event_raw_event_netfs_folio+0x61/0xc0\\n     trace_netfs_folio+0x39/0x40\\n     netfs_page_mkwrite+0x14c/0x1d0\\n     do_page_mkwrite+0x50/0x90\\n     do_pte_missing+0x184/0x200\\n     __handle_mm_fault+0x42d/0x500\\n     handle_mm_fault+0x121/0x1f0\\n     do_user_addr_fault+0x23e/0x3c0\\n     exc_page_fault+0xc2/0xe0\\n     asm_exc_page_fault+0x22/0x30\\n\\nThis is due to the invalidate_inode_pages2_range() issued at the end of the\\nDIO write interfering with the mmap\u0027d writes.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfs: corrija netfs_page_mkwrite() para verificar que folio-\u0026gt;mapping sea v\u00e1lido. Corrija netfs_page_mkwrite() para verificar que folio-\u0026gt;mapping sea v\u00e1lido una vez que haya tomado el bloqueo de folio (como filemap_page_mkwrite( ) hace). Sin esto, generic/247 ocasionalmente falla con algo como lo siguiente: ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 0000000000000000 #PF: acceso de lectura del supervisor en modo kernel #PF: error_code(0x0000) - p\u00e1gina no presente RIP: 0010:trace_event_raw_event_netfs_folio +0x61/0xc0... Seguimiento de llamadas: ? __die_body+0x1a/0x60 ? page_fault_oops+0x6e/0xa0? exc_page_fault+0xc2/0xe0? asm_exc_page_fault+0x22/0x30? trace_event_raw_event_netfs_folio+0x61/0xc0 trace_netfs_folio+0x39/0x40 netfs_page_mkwrite+0x14c/0x1d0 do_page_mkwrite+0x50/0x90 do_pte_missing+0x184/0x200 __handle_mm_fault+0x42d/0x500 _fault+0x121/0x1f0 do_user_addr_fault+0x23e/0x3c0 exc_page_fault+0xc2/0xe0 asm_exc_page_fault+0x22/0x30 Esto se debe a que invalidate_inode_pages2_range() emitido al final de la escritura DIO interfiere con las escrituras mmap.\"}],\"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\":\"6.8\",\"versionEndExcluding\":\"6.9.8\",\"matchCriteriaId\":\"01A4BD4E-FEF5-4966-9017-7AAE1629F735\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3473eb87afd402e415a8ca885b284ea0420dde25\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a81c98bfa40c11f8ea79b5a9b3f5fda73bfbb4d2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3473eb87afd402e415a8ca885b284ea0420dde25\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a81c98bfa40c11f8ea79b5a9b3f5fda73bfbb4d2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}"
  }
}


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