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        "cveId": "CVE-2023-52449",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-02-20T12:30:33.292Z",
        "datePublished": "2024-02-22T16:21:40.841Z",
        "dateUpdated": "2024-08-02T22:55:41.518Z"
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                "dateUpdated": "2024-05-28T19:49:39.237Z"
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                    "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‘gluebi->desc’ in gluebi_read().\n\nubi_gluebi_init\n  ubi_register_volume_notifier\n    ubi_enumerate_volumes\n      ubi_notify_all\n        gluebi_notify    nb->notifier_call()\n          gluebi_create\n            mtd_device_register\n              mtd_device_parse_register\n                add_mtd_device\n                  blktrans_notify_add   not->add()\n                    ftl_add_mtd         tr->add_mtd()\n                      scan_header\n                        mtd_read\n                          mtd_read_oob\n                            mtd_read_oob_std\n                              gluebi_read   mtd->read()\n                                gluebi->desc - NULL\n\nDetailed reproduction information available at the Link [1],\n\nIn the normal case, obtain gluebi->desc in the gluebi_get_device(),\nand access gluebi->desc 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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                            "status": "affected"
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                        {
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                            "status": "unaffected",
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                        {
                            "version": "4.19.306",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
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                            "version": "5.4.268",
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                            "status": "unaffected",
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                        {
                            "version": "5.10.209",
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                            "status": "unaffected",
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                        {
                            "version": "5.15.148",
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                            "status": "unaffected",
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                            "status": "unaffected",
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                            "status": "unaffected",
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                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
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                    "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
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