cve-2023-52449
Vulnerability from cvelistv5
Published
2024-02-22 16:21
Modified
2024-11-04 14:46
Severity ?
Summary
mtd: Fix gluebi NULL pointer dereference caused by ftl notifier
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/001a3f59d8c914ef8273461d4bf495df384cc5f8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1bf4fe14e97cda621522eb2f28b0a4e87c5b0745Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5389407bba1eab1266c6d83e226fb0840cb98dd5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a43bdc376deab5fff1ceb93dca55bcab8dbdc1d6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/aeba358bcc8ffddf9b4a9bd0e5ec9eb338d46022Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b36aaa64d58aaa2f2cbc8275e89bae76a2b6c3dcPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cfd7c9d260dc0a3baaea05a122a19ab91e193c65Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d8ac2537763b54d278b80b2b080e1652523c7d4cPatch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: Fix gluebi NULL pointer dereference caused by ftl notifier\n\nIf both ftl.ko and gluebi.ko are loaded, the notifier of ftl\ntriggers NULL pointer dereference when trying to access\n\u2018gluebi-\u003edesc\u2019 in gluebi_read().\n\nubi_gluebi_init\n  ubi_register_volume_notifier\n    ubi_enumerate_volumes\n      ubi_notify_all\n        gluebi_notify    nb-\u003enotifier_call()\n          gluebi_create\n            mtd_device_register\n              mtd_device_parse_register\n                add_mtd_device\n                  blktrans_notify_add   not-\u003eadd()\n                    ftl_add_mtd         tr-\u003eadd_mtd()\n                      scan_header\n                        mtd_read\n                          mtd_read_oob\n                            mtd_read_oob_std\n                              gluebi_read   mtd-\u003eread()\n                                gluebi-\u003edesc - NULL\n\nDetailed reproduction information available at the Link [1],\n\nIn the normal case, obtain gluebi-\u003edesc in the gluebi_get_device(),\nand access gluebi-\u003edesc in the gluebi_read(). However,\ngluebi_get_device() is not executed in advance in the\nftl_add_mtd() process, which leads to NULL pointer dereference.\n\nThe solution for the gluebi module is to run jffs2 on the UBI\nvolume without considering working with ftl or mtdblock [2].\nTherefore, this problem can be avoided by preventing gluebi from\ncreating the mtdblock device after creating mtd partition of the\ntype MTD_UBIVOLUME."
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    "datePublished": "2024-02-22T16:21:40.841Z",
    "dateReserved": "2024-02-20T12:30:33.292Z",
    "dateUpdated": "2024-11-04T14:46:56.710Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52449\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-02-22T17:15:08.677\",\"lastModified\":\"2024-11-04T13:16:30.000\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmtd: Fix gluebi NULL pointer dereference caused by ftl notifier\\n\\nIf both ftl.ko and gluebi.ko are loaded, the notifier of ftl\\ntriggers NULL pointer dereference when trying to access\\n\u2018gluebi-\u003edesc\u2019 in gluebi_read().\\n\\nubi_gluebi_init\\n  ubi_register_volume_notifier\\n    ubi_enumerate_volumes\\n      ubi_notify_all\\n        gluebi_notify    nb-\u003enotifier_call()\\n          gluebi_create\\n            mtd_device_register\\n              mtd_device_parse_register\\n                add_mtd_device\\n                  blktrans_notify_add   not-\u003eadd()\\n                    ftl_add_mtd         tr-\u003eadd_mtd()\\n                      scan_header\\n                        mtd_read\\n                          mtd_read_oob\\n                            mtd_read_oob_std\\n                              gluebi_read   mtd-\u003eread()\\n                                gluebi-\u003edesc - NULL\\n\\nDetailed reproduction information available at the Link [1],\\n\\nIn the normal case, obtain gluebi-\u003edesc in the gluebi_get_device(),\\nand access gluebi-\u003edesc in the gluebi_read(). However,\\ngluebi_get_device() is not executed in advance in the\\nftl_add_mtd() process, which leads to NULL pointer dereference.\\n\\nThe solution for the gluebi module is to run jffs2 on the UBI\\nvolume without considering working with ftl or mtdblock [2].\\nTherefore, this problem can be avoided by preventing gluebi from\\ncreating the mtdblock device after creating mtd partition of the\\ntype MTD_UBIVOLUME.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mtd: corrige la desreferencia del puntero NULL de Gluebi causada por el notificador ftl. Si se cargan tanto ftl.ko como pegamentobi.ko, el notificador de ftl activa la desreferencia del puntero NULL al intentar acceder a \u0027gluebi-. \u0026gt;desc\u0027 en pegamentobi_read(). ubi_gluebi_init ubi_register_volume_notifier ubi_enumerate_volumes ubi_notify_all pegamentobi_notify nb-\u0026gt;notifier_call() pegamentobi_create mtd_device_register mtd_device_parse_register add_mtd_device blktrans_notify_add not-\u0026gt;add() ftl_add_mtd tr-\u0026gt;add_mtd() scan_header mtd_read mtd_read_oob mtd_read_oob_std pegamentobi_read mtd-\u0026gt;read() pegamentobi-\u0026gt;desc - NULL Informaci\u00f3n detallada de reproducci\u00f3n disponible en el enlace [1], en el caso normal, obtenga pegamentobi-\u0026gt;desc en pegamentobi_get_device() y acceda a pegamentobi-\u0026gt;desc en pegamentobi_read(). Sin embargo, pegamentobi_get_device() no se ejecuta de antemano en el proceso ftl_add_mtd(), lo que conduce a la desreferencia del puntero NULL. La soluci\u00f3n para el m\u00f3dulo pegamentobi es ejecutar jffs2 en el volumen UBI sin considerar trabajar con ftl o mtdblock [2]. Por lo tanto, este problema se puede evitar evitando que pegamentobi cree el dispositivo mtdblock despu\u00e9s de crear la partici\u00f3n mtd del tipo MTD_UBIVOLUME.\"}],\"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\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"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\":\"2.6.31\",\"versionEndExcluding\":\"4.19.306\",\"matchCriteriaId\":\"96DBDF46-FDFD-43F5-BB27-3C70C7E1DDD2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.268\",\"matchCriteriaId\":\"991BF737-6083-429B-ACD5-FB27D4143E2F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5.0\",\"versionEndExcluding\":\"5.10.209\",\"matchCriteriaId\":\"5D2E4F24-2FBB-4434-8598-2B1499E566B5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11.0\",\"versionEndExcluding\":\"5.15.148\",\"matchCriteriaId\":\"E25E1389-4B0F-407A-9C94-5908FF3EE88B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16.0\",\"versionEndExcluding\":\"6.1.75\",\"matchCriteriaId\":\"2C4951FA-80C0-4B4C-9836-6E5035DEB0F9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2.0\",\"versionEndExcluding\":\"6.6.14\",\"matchCriteriaId\":\"BDBBEB0E-D13A-4567-8984-51C5375350B9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7.0\",\"versionEndExcluding\":\"6.7.2\",\"matchCriteriaId\":\"0EA3778C-730B-464C-8023-18CA6AC0B807\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/001a3f59d8c914ef8273461d4bf495df384cc5f8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/1bf4fe14e97cda621522eb2f28b0a4e87c5b0745\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5389407bba1eab1266c6d83e226fb0840cb98dd5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a43bdc376deab5fff1ceb93dca55bcab8dbdc1d6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/aeba358bcc8ffddf9b4a9bd0e5ec9eb338d46022\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b36aaa64d58aaa2f2cbc8275e89bae76a2b6c3dc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/cfd7c9d260dc0a3baaea05a122a19ab91e193c65\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d8ac2537763b54d278b80b2b080e1652523c7d4c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
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