{"api_version":"1","generated_at":"2026-09-18T08:10:52+00:00","cve":"CVE-2026-93114","urls":{"html":"https://cve.report/CVE-2026-93114","api":"https://cve.report/api/cve/CVE-2026-93114.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93114","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93114"},"summary":{"title":"platform/surface: acpi-notify: Check ACPI companion before use","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/surface: acpi-notify: Check ACPI companion before use\n\nSince every platform driver can be forced to match a device that doesn't\nmatch its list of device IDs because of device_match_driver_override(),\nplatform drivers that rely on the existence of a device's ACPI companion\nobject should verify its presence.\n\nsan_probe() dereferences the result of ACPI_COMPANION() when installing\nthe GSBUS address space handler, so force-binding the driver to a device\nwithout an ACPI companion leads to a NULL pointer dereference.  The\ndereference was introduced when the probe function was switched from\nACPI_HANDLE() to ACPI_COMPANION().\n\nCheck the ACPI companion against NULL and return -ENODEV when it is\nmissing, like commit e4865a56d013 (\"ACPI: driver: Check ACPI_COMPANION()\nagainst NULL during probe\") does for the core ACPI platform drivers.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:18:05","updated_at":"2026-09-17 17:18:05"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/3855be0100efb98c26228c610db70a673611f3bd","name":"https://git.kernel.org/stable/c/3855be0100efb98c26228c610db70a673611f3bd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2b3a5dabe89e330413af403246b648c1890f368f","name":"https://git.kernel.org/stable/c/2b3a5dabe89e330413af403246b648c1890f368f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4faa43d4ef0b98beb6c2b77a279f4aa5d7fa2d13","name":"https://git.kernel.org/stable/c/4faa43d4ef0b98beb6c2b77a279f4aa5d7fa2d13","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/428a82d987fcd8844e8868c85582eae75b4b5c51","name":"https://git.kernel.org/stable/c/428a82d987fcd8844e8868c85582eae75b4b5c51","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9b6479da662c2ec4e931ed9f7228df46aa8c3766","name":"https://git.kernel.org/stable/c/9b6479da662c2ec4e931ed9f7228df46aa8c3766","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7fea5a310e3b2db24f7aafe64897e4e659ffbb7d","name":"https://git.kernel.org/stable/c/7fea5a310e3b2db24f7aafe64897e4e659ffbb7d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f276b62f2ce1cbff7fa50a8ee5afd8fef5a60897","name":"https://git.kernel.org/stable/c/f276b62f2ce1cbff7fa50a8ee5afd8fef5a60897","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93114","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93114","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a9e10e58730432e5de840eb3ddd55c75f29341b3 4faa43d4ef0b98beb6c2b77a279f4aa5d7fa2d13 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a9e10e58730432e5de840eb3ddd55c75f29341b3 3855be0100efb98c26228c610db70a673611f3bd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a9e10e58730432e5de840eb3ddd55c75f29341b3 f276b62f2ce1cbff7fa50a8ee5afd8fef5a60897 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a9e10e58730432e5de840eb3ddd55c75f29341b3 9b6479da662c2ec4e931ed9f7228df46aa8c3766 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/platform/surface/surface_acpi_notify.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4faa43d4ef0b98beb6c2b77a279f4aa5d7fa2d13","status":"affected","version":"a9e10e58730432e5de840eb3ddd55c75f29341b3","versionType":"git"},{"lessThan":"3855be0100efb98c26228c610db70a673611f3bd","status":"affected","version":"a9e10e58730432e5de840eb3ddd55c75f29341b3","versionType":"git"},{"lessThan":"f276b62f2ce1cbff7fa50a8ee5afd8fef5a60897","status":"affected","version":"a9e10e58730432e5de840eb3ddd55c75f29341b3","versionType":"git"},{"lessThan":"9b6479da662c2ec4e931ed9f7228df46aa8c3766","status":"affected","version":"a9e10e58730432e5de840eb3ddd55c75f29341b3","versionType":"git"},{"lessThan":"7fea5a310e3b2db24f7aafe64897e4e659ffbb7d","status":"affected","version":"a9e10e58730432e5de840eb3ddd55c75f29341b3","versionType":"git"},{"lessThan":"428a82d987fcd8844e8868c85582eae75b4b5c51","status":"affected","version":"a9e10e58730432e5de840eb3ddd55c75f29341b3","versionType":"git"},{"lessThan":"2b3a5dabe89e330413af403246b648c1890f368f","status":"affected","version":"a9e10e58730432e5de840eb3ddd55c75f29341b3","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/platform/surface/surface_acpi_notify.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.14"},{"lessThan":"5.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"5.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/surface: acpi-notify: Check ACPI companion before use\n\nSince every platform driver can be forced to match a device that doesn't\nmatch its list of device IDs because of device_match_driver_override(),\nplatform drivers that rely on the existence of a device's ACPI companion\nobject should verify its presence.\n\nsan_probe() dereferences the result of ACPI_COMPANION() when installing\nthe GSBUS address space handler, so force-binding the driver to a device\nwithout an ACPI companion leads to a NULL pointer dereference.  The\ndereference was introduced when the probe function was switched from\nACPI_HANDLE() to ACPI_COMPANION().\n\nCheck the ACPI companion against NULL and return -ENODEV when it is\nmissing, like commit e4865a56d013 (\"ACPI: driver: Check ACPI_COMPANION()\nagainst NULL during probe\") does for the core ACPI platform drivers."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:11:22.463Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/4faa43d4ef0b98beb6c2b77a279f4aa5d7fa2d13"},{"url":"https://git.kernel.org/stable/c/3855be0100efb98c26228c610db70a673611f3bd"},{"url":"https://git.kernel.org/stable/c/f276b62f2ce1cbff7fa50a8ee5afd8fef5a60897"},{"url":"https://git.kernel.org/stable/c/9b6479da662c2ec4e931ed9f7228df46aa8c3766"},{"url":"https://git.kernel.org/stable/c/7fea5a310e3b2db24f7aafe64897e4e659ffbb7d"},{"url":"https://git.kernel.org/stable/c/428a82d987fcd8844e8868c85582eae75b4b5c51"},{"url":"https://git.kernel.org/stable/c/2b3a5dabe89e330413af403246b648c1890f368f"}],"title":"platform/surface: acpi-notify: Check ACPI companion before use","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-93114","datePublished":"2026-09-17T16:11:22.463Z","dateReserved":"2026-09-17T16:02:15.086Z","dateUpdated":"2026-09-17T16:11:22.463Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:18:05","lastModifiedDate":"2026-09-17 17:18:05","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93114","Ordinal":"1","Title":"platform/surface: acpi-notify: Check ACPI companion before use","CVE":"CVE-2026-93114","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93114","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/surface: acpi-notify: Check ACPI companion before use\n\nSince every platform driver can be forced to match a device that doesn't\nmatch its list of device IDs because of device_match_driver_override(),\nplatform drivers that rely on the existence of a device's ACPI companion\nobject should verify its presence.\n\nsan_probe() dereferences the result of ACPI_COMPANION() when installing\nthe GSBUS address space handler, so force-binding the driver to a device\nwithout an ACPI companion leads to a NULL pointer dereference.  The\ndereference was introduced when the probe function was switched from\nACPI_HANDLE() to ACPI_COMPANION().\n\nCheck the ACPI companion against NULL and return -ENODEV when it is\nmissing, like commit e4865a56d013 (\"ACPI: driver: Check ACPI_COMPANION()\nagainst NULL during probe\") does for the core ACPI platform drivers.","Type":"Description","Title":"platform/surface: acpi-notify: Check ACPI companion before use"}]}}}