CVE-2026-93114

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93114", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-17T16:02:15.086Z", "datePublished": "2026-09-17T16:11:22.463Z", "dateUpdated": "2026-10-19T09:05:48.069Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:05:48.069Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/platform/surface/surface_acpi_notify.c"], "versions": [{"version": "a9e10e58730432e5de840eb3ddd55c75f29341b3", "lessThan": "4faa43d4ef0b98beb6c2b77a279f4aa5d7fa2d13", "status": "affected", "versionType": "git"}, {"version": "a9e10e58730432e5de840eb3ddd55c75f29341b3", "lessThan": "3855be0100efb98c26228c610db70a673611f3bd", "status": "affected", "versionType": "git"}, {"version": "a9e10e58730432e5de840eb3ddd55c75f29341b3", "lessThan": "f276b62f2ce1cbff7fa50a8ee5afd8fef5a60897", "status": "affected", "versionType": "git"}, {"version": "a9e10e58730432e5de840eb3ddd55c75f29341b3", "lessThan": "9b6479da662c2ec4e931ed9f7228df46aa8c3766", "status": "affected", "versionType": "git"}, {"version": "a9e10e58730432e5de840eb3ddd55c75f29341b3", "lessThan": "7fea5a310e3b2db24f7aafe64897e4e659ffbb7d", "status": "affected", "versionType": "git"}, {"version": "a9e10e58730432e5de840eb3ddd55c75f29341b3", "lessThan": "428a82d987fcd8844e8868c85582eae75b4b5c51", "status": "affected", "versionType": "git"}, {"version": "a9e10e58730432e5de840eb3ddd55c75f29341b3", "lessThan": "2b3a5dabe89e330413af403246b648c1890f368f", "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/platform/surface/surface_acpi_notify.c"], "versions": [{"version": "5.14", "status": "affected"}, {"version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.221", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.188", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.157", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.14", "versionEndExcluding": "5.15.221"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.3"}]}]}], "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"}}}}

{}

{"affected": [{"affectedData": [{"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", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-93114", "lastModified": "2026-10-19T10:17:01.350", "metrics": {}, "published": "2026-09-17T17:18:05.943", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2b3a5dabe89e330413af403246b648c1890f368f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3855be0100efb98c26228c610db70a673611f3bd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/428a82d987fcd8844e8868c85582eae75b4b5c51"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4faa43d4ef0b98beb6c2b77a279f4aa5d7fa2d13"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7fea5a310e3b2db24f7aafe64897e4e659ffbb7d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9b6479da662c2ec4e931ed9f7228df46aa8c3766"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f276b62f2ce1cbff7fa50a8ee5afd8fef5a60897"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a9e10e58730432e5de840eb3ddd55c75f29341b3,4faa43d4ef0b98beb6c2b77a279f4aa5d7fa2d13)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a9e10e58730432e5de840eb3ddd55c75f29341b3,3855be0100efb98c26228c610db70a673611f3bd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a9e10e58730432e5de840eb3ddd55c75f29341b3,f276b62f2ce1cbff7fa50a8ee5afd8fef5a60897)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a9e10e58730432e5de840eb3ddd55c75f29341b3,9b6479da662c2ec4e931ed9f7228df46aa8c3766)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a9e10e58730432e5de840eb3ddd55c75f29341b3,7fea5a310e3b2db24f7aafe64897e4e659ffbb7d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a9e10e58730432e5de840eb3ddd55c75f29341b3,428a82d987fcd8844e8868c85582eae75b4b5c51)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a9e10e58730432e5de840eb3ddd55c75f29341b3,2b3a5dabe89e330413af403246b648c1890f368f)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.221,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.188,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.157,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-19T07:15:13.938867+00:00", "updated": "2026-09-19T23:00:09.789406+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}