{"api_version":"1","generated_at":"2026-08-02T17:55:27+00:00","cve":"CVE-2026-64510","urls":{"html":"https://cve.report/CVE-2026-64510","api":"https://cve.report/api/cve/CVE-2026-64510.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64510","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64510"},"summary":{"title":"ACPI: NFIT: core: Fix acpi_nfit_init() error cleanup","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: NFIT: core: Fix acpi_nfit_init() error cleanup\n\nIf acpi_nfit_init() fails after adding the acpi_desc object to the\nacpi_descs list, that object is never removed from that list because\nthe acpi_nfit_shutdown() devm action is not added for the NFIT device\nin that case.  Next, the acpi_nfit_init() failure causes\nacpi_nfit_probe() to fail, the acpi_desc object is freed, and a\ndangling pointer is left behind in the acpi_descs.  Any subsequent\nACPI Machine Check Exception will trigger nfit_handle_mce() which\niterates over acpi_descs and so a use-after-free will occur.\n\nMoreover, if acpi_nfit_probe() returns 0 after installing a notify\nhandler for the NFIT device and without allocating the acpi_desc\nobject and setting the NFIT device's driver data pointer, the\nacpi_desc object will be allocated by acpi_nfit_update_notify()\nand acpi_nfit_init() will be called to initialize it.  Regardless\nof whether or not acpi_nfit_init() fails in that case, the\nacpi_nfit_shutdown() devm action is not added for the NFIT device\nand acpi_desc is never removed from the acpi_descs list.  If the\nacpi_desc object is freed subsequently on driver removal, any\nsubsequent ACPI MCE will lead to a use-after-free like in the\nprevious case.\n\nTo address the first issue mentioned above, make acpi_nfit_probe()\ncall acpi_nfit_shutdown() directly on acpi_nfit_init() failures and\nto address the other one, add a remove callback to the driver and\nmake it call acpi_nfit_shutdown().  Also, since it is now possible to\npass NULL to acpi_nfit_shutdown() or the acpi_desc object passed to it\nmay not have been initialized, add checks against NULL for acpi_desc and\nits nvdimm_bus field to that function and make acpi_nfit_unregister()\nclear the latter after unregistering the NVDIMM bus.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-25 10:17:37","updated_at":"2026-07-27 05:16:55"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/df7c92216a1583a76cb0cbf2f21cd68870609b05","name":"https://git.kernel.org/stable/c/df7c92216a1583a76cb0cbf2f21cd68870609b05","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7d69235bdc581a4346e9bcd6a8bea37d3e1abd25","name":"https://git.kernel.org/stable/c/7d69235bdc581a4346e9bcd6a8bea37d3e1abd25","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3b2628f7682aea8d9ce09ad4b9a3bd144b451eaa","name":"https://git.kernel.org/stable/c/3b2628f7682aea8d9ce09ad4b9a3bd144b451eaa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ee82078e776ae31266cc70fdf62ac17c3c6f100a","name":"https://git.kernel.org/stable/c/ee82078e776ae31266cc70fdf62ac17c3c6f100a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6ff054cc02a763914773b026cacb429e5fbf64fa","name":"https://git.kernel.org/stable/c/6ff054cc02a763914773b026cacb429e5fbf64fa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b07d22a2d17ad6465c87bd5752bc70e4c16e0ee4","name":"https://git.kernel.org/stable/c/b07d22a2d17ad6465c87bd5752bc70e4c16e0ee4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c127dbd832bd4b9aef8a749d9f491b74042f9b47","name":"https://git.kernel.org/stable/c/c127dbd832bd4b9aef8a749d9f491b74042f9b47","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/38bf27511ef41bffebd157ec3eba41fc89ba59cd","name":"https://git.kernel.org/stable/c/38bf27511ef41bffebd157ec3eba41fc89ba59cd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64510","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64510","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a61fe6f7902ecaa89d5e6c709490fc4324927134 ee82078e776ae31266cc70fdf62ac17c3c6f100a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a61fe6f7902ecaa89d5e6c709490fc4324927134 6ff054cc02a763914773b026cacb429e5fbf64fa git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a61fe6f7902ecaa89d5e6c709490fc4324927134 b07d22a2d17ad6465c87bd5752bc70e4c16e0ee4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a61fe6f7902ecaa89d5e6c709490fc4324927134 c127dbd832bd4b9aef8a749d9f491b74042f9b47 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"64510","cve":"CVE-2026-64510","epss":"0.001110000","percentile":"0.015250000","score_date":"2026-07-29","updated_at":"2026-07-30 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the Linux kernel, the following vulnerability has been resolved:\n\nACPI: NFIT: core: Fix acpi_nfit_init() error cleanup\n\nIf acpi_nfit_init() fails after adding the acpi_desc object to the\nacpi_descs list, that object is never removed from that list because\nthe acpi_nfit_shutdown() devm action is not added for the NFIT device\nin that case.  Next, the acpi_nfit_init() failure causes\nacpi_nfit_probe() to fail, the acpi_desc object is freed, and a\ndangling pointer is left behind in the acpi_descs.  Any subsequent\nACPI Machine Check Exception will trigger nfit_handle_mce() which\niterates over acpi_descs and so a use-after-free will occur.\n\nMoreover, if acpi_nfit_probe() returns 0 after installing a notify\nhandler for the NFIT device and without allocating the acpi_desc\nobject and setting the NFIT device's driver data pointer, the\nacpi_desc object will be allocated by acpi_nfit_update_notify()\nand acpi_nfit_init() will be called to initialize it.  Regardless\nof whether or not acpi_nfit_init() fails in that case, the\nacpi_nfit_shutdown() devm action is not added for the NFIT device\nand acpi_desc is never removed from the acpi_descs list.  If the\nacpi_desc object is freed subsequently on driver removal, any\nsubsequent ACPI MCE will lead to a use-after-free like in the\nprevious case.\n\nTo address the first issue mentioned above, make acpi_nfit_probe()\ncall acpi_nfit_shutdown() directly on acpi_nfit_init() failures and\nto address the other one, add a remove callback to the driver and\nmake it call acpi_nfit_shutdown().  Also, since it is now possible to\npass NULL to acpi_nfit_shutdown() or the acpi_desc object passed to it\nmay not have been initialized, add checks against NULL for acpi_desc and\nits nvdimm_bus field to that function and make acpi_nfit_unregister()\nclear the latter after unregistering the NVDIMM bus."}],"metrics":[{"cvssV3_1":{"baseScore":7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-27T05:01:33.494Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ee82078e776ae31266cc70fdf62ac17c3c6f100a"},{"url":"https://git.kernel.org/stable/c/6ff054cc02a763914773b026cacb429e5fbf64fa"},{"url":"https://git.kernel.org/stable/c/b07d22a2d17ad6465c87bd5752bc70e4c16e0ee4"},{"url":"https://git.kernel.org/stable/c/c127dbd832bd4b9aef8a749d9f491b74042f9b47"},{"url":"https://git.kernel.org/stable/c/df7c92216a1583a76cb0cbf2f21cd68870609b05"},{"url":"https://git.kernel.org/stable/c/3b2628f7682aea8d9ce09ad4b9a3bd144b451eaa"},{"url":"https://git.kernel.org/stable/c/7d69235bdc581a4346e9bcd6a8bea37d3e1abd25"},{"url":"https://git.kernel.org/stable/c/38bf27511ef41bffebd157ec3eba41fc89ba59cd"}],"title":"ACPI: NFIT: core: Fix acpi_nfit_init() error cleanup","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64510","datePublished":"2026-07-25T08:52:03.208Z","dateReserved":"2026-07-19T15:36:31.793Z","dateUpdated":"2026-07-27T05:01:33.494Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-25 10:17:37","lastModifiedDate":"2026-07-27 05:16:55","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64510","Ordinal":"1","Title":"ACPI: NFIT: core: Fix acpi_nfit_init() error cleanup","CVE":"CVE-2026-64510","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64510","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: NFIT: core: Fix acpi_nfit_init() error cleanup\n\nIf acpi_nfit_init() fails after adding the acpi_desc object to the\nacpi_descs list, that object is never removed from that list because\nthe acpi_nfit_shutdown() devm action is not added for the NFIT device\nin that case.  Next, the acpi_nfit_init() failure causes\nacpi_nfit_probe() to fail, the acpi_desc object is freed, and a\ndangling pointer is left behind in the acpi_descs.  Any subsequent\nACPI Machine Check Exception will trigger nfit_handle_mce() which\niterates over acpi_descs and so a use-after-free will occur.\n\nMoreover, if acpi_nfit_probe() returns 0 after installing a notify\nhandler for the NFIT device and without allocating the acpi_desc\nobject and setting the NFIT device's driver data pointer, the\nacpi_desc object will be allocated by acpi_nfit_update_notify()\nand acpi_nfit_init() will be called to initialize it.  Regardless\nof whether or not acpi_nfit_init() fails in that case, the\nacpi_nfit_shutdown() devm action is not added for the NFIT device\nand acpi_desc is never removed from the acpi_descs list.  If the\nacpi_desc object is freed subsequently on driver removal, any\nsubsequent ACPI MCE will lead to a use-after-free like in the\nprevious case.\n\nTo address the first issue mentioned above, make acpi_nfit_probe()\ncall acpi_nfit_shutdown() directly on acpi_nfit_init() failures and\nto address the other one, add a remove callback to the driver and\nmake it call acpi_nfit_shutdown().  Also, since it is now possible to\npass NULL to acpi_nfit_shutdown() or the acpi_desc object passed to it\nmay not have been initialized, add checks against NULL for acpi_desc and\nits nvdimm_bus field to that function and make acpi_nfit_unregister()\nclear the latter after unregistering the NVDIMM bus.","Type":"Description","Title":"ACPI: NFIT: core: Fix acpi_nfit_init() error cleanup"}]}}}