{"id":"CVE-2026-64510","revision":null,"records":[{"revision":"911702d5d077492ca84d110069a80543","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-64510","aliases":[],"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":0,"publishedAt":"2026-07-25T08:52:03.208+00:00","modifiedAt":"2026-10-19T20:48:37.449+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/acpi/nfit/core.c\"\n ],\n \"versions\": [\n {\n \"version\": \"a61fe6f7902ecaa89d5e6c709490fc4324927134\",\n \"lessThan\": \"ee82078e776ae31266cc70fdf62ac17c3c6f100a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"a61fe6f7902ecaa89d5e6c709490fc4324927134\",\n \"lessThan\": \"6ff054cc02a763914773b026cacb429e5fbf64fa\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"a61fe6f7902ecaa89d5e6c709490fc4324927134\",\n \"lessThan\": \"b07d22a2d17ad6465c87bd5752bc70e4c16e0ee4\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"a61fe6f7902ecaa89d5e6c709490fc4324927134\",\n \"lessThan\": \"c127dbd832bd4b9aef8a749d9f491b74042f9b47\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"a61fe6f7902ecaa89d5e6c709490fc4324927134\",\n \"lessThan\": \"df7c92216a1583a76cb0cbf2f21cd68870609b05\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"a61fe6f7902ecaa89d5e6c709490fc4324927134\",\n \"lessThan\": \"3b2628f7682aea8d9ce09ad4b9a3bd144b451eaa\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"a61fe6f7902ecaa89d5e6c709490fc4324927134\",\n \"lessThan\": \"7d69235bdc581a4346e9bcd6a8bea37d3e1abd25\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"a61fe6f7902ecaa89d5e6c709490fc4324927134\",\n \"lessThan\": \"38bf27511ef41bffebd157ec3eba41fc89ba59cd\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/acpi/nfit/core.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4.6\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.6\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.261\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.212\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.178\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.145\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.97\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.40\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.4\",\n \"lessThanOrEqual\": \"7.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/ee82078e776ae31266cc70fdf62ac17c3c6f100a","https://git.kernel.org/stable/c/6ff054cc02a763914773b026cacb429e5fbf64fa","https://git.kernel.org/stable/c/b07d22a2d17ad6465c87bd5752bc70e4c16e0ee4","https://git.kernel.org/stable/c/c127dbd832bd4b9aef8a749d9f491b74042f9b47","https://git.kernel.org/stable/c/df7c92216a1583a76cb0cbf2f21cd68870609b05","https://git.kernel.org/stable/c/3b2628f7682aea8d9ce09ad4b9a3bd144b451eaa","https://git.kernel.org/stable/c/7d69235bdc581a4346e9bcd6a8bea37d3e1abd25","https://git.kernel.org/stable/c/38bf27511ef41bffebd157ec3eba41fc89ba59cd"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-64510","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-64510","identifiers":["CVE-2026-64510"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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