{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64511","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-07-19T15:36:31.793Z","datePublished":"2026-07-25T08:52:03.818Z","dateUpdated":"2026-08-17T04:57:02.104Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-17T04:57:02.104Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: NFIT: core: Fix possible NULL pointer dereference\n\nAfter commit 9b311b7313d6 (\"ACPI: NFIT: Install Notify() handler before\ngetting NFIT table\"), acpi_nfit_probe() installs an ACPI notify handler\nfor the NFIT device before checking the presence of the NFIT table.  If\nthat table is not there, 0 is returned without allocating the acpi_desc\nobject and setting the driver data pointer of the NFIT device.  If the\nplatform firmware triggers an NFIT_NOTIFY_UC_MEMORY_ERROR notification\non the NFIT device at that point, acpi_nfit_uc_error_notify() will\ndereference a NULL pointer.\n\nPrevent that from occurring by adding an acpi_desc check against NULL\nto acpi_nfit_uc_error_notify()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/nfit/core.c"],"versions":[{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","lessThan":"a44343fe230aa48c74ef09830f3c5c90848b257e","status":"affected","versionType":"git"},{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","lessThan":"3c8f73b0fbdf956c98e2329d5aaea3ad09a9cfb6","status":"affected","versionType":"git"},{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","lessThan":"452945662fd8e9862a2d2043239c7ee1815d1ac4","status":"affected","versionType":"git"},{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","lessThan":"873576e585da5d0fc5debbab74eed565c0acea99","status":"affected","versionType":"git"},{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","lessThan":"027e128abb82788189d6d45b68e3e8e7329b67be","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/acpi/nfit/core.c"],"versions":[{"version":"6.6","status":"affected"},{"version":"0","lessThan":"6.6","status":"unaffected","versionType":"semver"},{"version":"6.6.145","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.96","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.39","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.4","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","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":"6.6","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.12.96"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.18.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/a44343fe230aa48c74ef09830f3c5c90848b257e"},{"url":"https://git.kernel.org/stable/c/3c8f73b0fbdf956c98e2329d5aaea3ad09a9cfb6"},{"url":"https://git.kernel.org/stable/c/452945662fd8e9862a2d2043239c7ee1815d1ac4"},{"url":"https://git.kernel.org/stable/c/873576e585da5d0fc5debbab74eed565c0acea99"},{"url":"https://git.kernel.org/stable/c/027e128abb82788189d6d45b68e3e8e7329b67be"}],"title":"ACPI: NFIT: core: Fix possible NULL pointer dereference","x_generator":{"engine":"bippy-1.2.0"}}}}