{"dataType":"CVE_RECORD","cveMetadata":{"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":"2025-05-04T07:36:46.435Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:36:46.435Z"},"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‘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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/mtd_blkdevs.c"],"versions":[{"version":"2ba3d76a1e29f2ba64fbc762875cf9fb2d4ba2ba","lessThan":"aeba358bcc8ffddf9b4a9bd0e5ec9eb338d46022","status":"affected","versionType":"git"},{"version":"2ba3d76a1e29f2ba64fbc762875cf9fb2d4ba2ba","lessThan":"1bf4fe14e97cda621522eb2f28b0a4e87c5b0745","status":"affected","versionType":"git"},{"version":"2ba3d76a1e29f2ba64fbc762875cf9fb2d4ba2ba","lessThan":"001a3f59d8c914ef8273461d4bf495df384cc5f8","status":"affected","versionType":"git"},{"version":"2ba3d76a1e29f2ba64fbc762875cf9fb2d4ba2ba","lessThan":"d8ac2537763b54d278b80b2b080e1652523c7d4c","status":"affected","versionType":"git"},{"version":"2ba3d76a1e29f2ba64fbc762875cf9fb2d4ba2ba","lessThan":"5389407bba1eab1266c6d83e226fb0840cb98dd5","status":"affected","versionType":"git"},{"version":"2ba3d76a1e29f2ba64fbc762875cf9fb2d4ba2ba","lessThan":"cfd7c9d260dc0a3baaea05a122a19ab91e193c65","status":"affected","versionType":"git"},{"version":"2ba3d76a1e29f2ba64fbc762875cf9fb2d4ba2ba","lessThan":"b36aaa64d58aaa2f2cbc8275e89bae76a2b6c3dc","status":"affected","versionType":"git"},{"version":"2ba3d76a1e29f2ba64fbc762875cf9fb2d4ba2ba","lessThan":"a43bdc376deab5fff1ceb93dca55bcab8dbdc1d6","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/mtd_blkdevs.c"],"versions":[{"version":"2.6.31","status":"affected"},{"version":"0","lessThan":"2.6.31","status":"unaffected","versionType":"semver"},{"version":"4.19.306","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.268","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.209","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.148","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.75","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.14","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7.2","lessThanOrEqual":"6.7.*","status":"unaffected","versionType":"semver"},{"version":"6.8","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"4.19.306"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"5.4.268"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"5.10.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"5.15.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.1.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.6.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.7.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.8"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/aeba358bcc8ffddf9b4a9bd0e5ec9eb338d46022"},{"url":"https://git.kernel.org/stable/c/1bf4fe14e97cda621522eb2f28b0a4e87c5b0745"},{"url":"https://git.kernel.org/stable/c/001a3f59d8c914ef8273461d4bf495df384cc5f8"},{"url":"https://git.kernel.org/stable/c/d8ac2537763b54d278b80b2b080e1652523c7d4c"},{"url":"https://git.kernel.org/stable/c/5389407bba1eab1266c6d83e226fb0840cb98dd5"},{"url":"https://git.kernel.org/stable/c/cfd7c9d260dc0a3baaea05a122a19ab91e193c65"},{"url":"https://git.kernel.org/stable/c/b36aaa64d58aaa2f2cbc8275e89bae76a2b6c3dc"},{"url":"https://git.kernel.org/stable/c/a43bdc376deab5fff1ceb93dca55bcab8dbdc1d6"}],"title":"mtd: Fix gluebi NULL pointer dereference caused by ftl notifier","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-52449","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-03-04T20:55:21.816899Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-07-05T17:22:07.700Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T22:55:41.518Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/aeba358bcc8ffddf9b4a9bd0e5ec9eb338d46022","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/1bf4fe14e97cda621522eb2f28b0a4e87c5b0745","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/001a3f59d8c914ef8273461d4bf495df384cc5f8","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/d8ac2537763b54d278b80b2b080e1652523c7d4c","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/5389407bba1eab1266c6d83e226fb0840cb98dd5","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/cfd7c9d260dc0a3baaea05a122a19ab91e193c65","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/b36aaa64d58aaa2f2cbc8275e89bae76a2b6c3dc","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/a43bdc376deab5fff1ceb93dca55bcab8dbdc1d6","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html","tags":["x_transferred"]}]}]},"dataVersion":"5.1"}