{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-01T03:35:44.763","vulnerabilities":[{"cve":{"id":"CVE-2022-50457","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-10-01T12:15:38.967","lastModified":"2026-01-16T19:24:26.590","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: core: Fix refcount error in del_mtd_device()\n\ndel_mtd_device() will call of_node_put() to mtd_get_of_node(mtd), which\nis mtd->dev.of_node. However, memset(&mtd->dev, 0) is called before\nof_node_put(). As the result, of_node_put() won't do anything in\ndel_mtd_device(), and causes the refcount leak.\n\ndel_mtd_device()\n    memset(&mtd->dev, 0, sizeof(mtd->dev) # clear mtd->dev\n    of_node_put()\n        mtd_get_of_node(mtd) # mtd->dev is cleared, can't locate of_node\n                             # of_node_put(NULL) won't do anything\n\nFix the error by caching the pointer of the device_node.\n\nOF: ERROR: memory leak, expected refcount 1 instead of 2,\nof_node_get()/of_node_put() unbalanced - destroy cset entry: attach\noverlay node /spi/spi-sram@0\nCPU: 3 PID: 275 Comm: python3 Tainted: G N 6.1.0-rc3+ #54\n    0d8a1edddf51f172ff5226989a7565c6313b08e2\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\nrel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014\nCall Trace:\n<TASK>\n    dump_stack_lvl+0x67/0x83\n    kobject_get+0x155/0x160\n    of_node_get+0x1f/0x30\n    of_fwnode_get+0x43/0x70\n    fwnode_handle_get+0x54/0x80\n    fwnode_get_nth_parent+0xc9/0xe0\n    fwnode_full_name_string+0x3f/0xa0\n    device_node_string+0x30f/0x750\n    pointer+0x598/0x7a0\n    vsnprintf+0x62d/0x9b0\n    ...\n    cfs_overlay_release+0x30/0x90\n    config_item_release+0xbe/0x1a0\n    config_item_put+0x5e/0x80\n    configfs_rmdir+0x3bd/0x540\n    vfs_rmdir+0x18c/0x320\n    do_rmdir+0x198/0x330\n    __x64_sys_rmdir+0x2c/0x40\n    do_syscall_64+0x37/0x90\n    entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\n[<miquel.raynal@bootlin.com>: Light reword of the commit log]"}],"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":"NVD-CWE-Other"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.0.16","matchCriteriaId":"2701BF1F-7C10-4D86-93E6-AA6DF5D8A6A3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.1.2","matchCriteriaId":"77239F4B-6BB2-4B9E-A654-36A52396116C"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/56570bdad5e31c5c538cd6efff5c4510256e1bb4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/616dc895d982026f41f500c88d1bfea004938cc8","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f6016557f1ef7735963bd8691592d2797bbf91d2","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}