{"id":"CVE-2026-64511","state":"PUBLISHED","title":"ACPI: NFIT: core: Fix possible NULL pointer dereference","description":"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().","publishedAt":"2026-07-25T08:52:03.818Z","updatedAt":"2026-08-17T04:57:02.104Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","status":"affected","lessThan":"a44343fe230aa48c74ef09830f3c5c90848b257e","versionType":"git"},{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","status":"affected","lessThan":"3c8f73b0fbdf956c98e2329d5aaea3ad09a9cfb6","versionType":"git"},{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","status":"affected","lessThan":"452945662fd8e9862a2d2043239c7ee1815d1ac4","versionType":"git"},{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","status":"affected","lessThan":"873576e585da5d0fc5debbab74eed565c0acea99","versionType":"git"},{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","status":"affected","lessThan":"027e128abb82788189d6d45b68e3e8e7329b67be","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/nfit/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.96","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.39","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.4","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/nfit/core.c"]}],"references":["https://git.kernel.org/stable/c/a44343fe230aa48c74ef09830f3c5c90848b257e","https://git.kernel.org/stable/c/3c8f73b0fbdf956c98e2329d5aaea3ad09a9cfb6","https://git.kernel.org/stable/c/452945662fd8e9862a2d2043239c7ee1815d1ac4","https://git.kernel.org/stable/c/873576e585da5d0fc5debbab74eed565c0acea99","https://git.kernel.org/stable/c/027e128abb82788189d6d45b68e3e8e7329b67be"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64511.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64511","state":"PUBLISHED","datePublished":"2026-07-25T08:52:03.818Z","dateUpdated":"2026-08-17T04:57:02.104Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T15:36:31.793Z"},"containers":{"cna":{"title":"ACPI: NFIT: core: Fix possible NULL pointer dereference","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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","status":"affected","lessThan":"a44343fe230aa48c74ef09830f3c5c90848b257e","versionType":"git"},{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","status":"affected","lessThan":"3c8f73b0fbdf956c98e2329d5aaea3ad09a9cfb6","versionType":"git"},{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","status":"affected","lessThan":"452945662fd8e9862a2d2043239c7ee1815d1ac4","versionType":"git"},{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","status":"affected","lessThan":"873576e585da5d0fc5debbab74eed565c0acea99","versionType":"git"},{"version":"9b311b7313d6c104dd4a2d43ab54536dce07f960","status":"affected","lessThan":"027e128abb82788189d6d45b68e3e8e7329b67be","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/nfit/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.96","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.39","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.4","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/nfit/core.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T04:57:02.104Z"},"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}