CVE-2026-64603

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64603", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.799Z", "datePublished": "2026-08-06T07:13:55.114Z", "dateUpdated": "2026-08-17T04:58:26.397Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T04:58:26.397Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: intel-hid: Protect ACPI notify handler against recursion\n\nSince commit e2ffcda16290 (\"ACPI: OSL: Allow Notify () handlers to run on\nall CPUs\") ACPI notify handlers like the intel-hid notify_handler() may\nrun on multiple CPU cores racing with themselves.\n\nOn convertibles and detachables (matched by DMI chassis-type 31 and 32 in\ndmi_auto_add_switch[]) the SW_TABLET_MODE input device is registered\nlazily from notify_handler() on the first tablet-mode event, via\nintel_hid_switches_setup(). When two such events race on different CPUs\nboth can pass the !priv->switches check and register the priv->switches\ninput device twice, resulting in a duplicate sysfs entry and a subsequent\nNULL pointer dereference.\n\nThis is the same class of bug fixed by commit e075c3b13a0a (\"platform/x86:\nintel-vbtn: Protect ACPI notify handler against recursion\") for the\nsibling intel-vbtn driver.\n\nProtect intel-hid notify_handler() from racing with itself with a mutex\nto fix this."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/platform/x86/intel/hid.c"], "versions": [{"version": "e2ffcda1629012a2c1a3706432bc45fdc899a584", "lessThan": "a6402808e552e44e9c26a9fe8395ac11703d5800", "status": "affected", "versionType": "git"}, {"version": "e2ffcda1629012a2c1a3706432bc45fdc899a584", "lessThan": "86df6499dfd232fbc1c82c0d6eb9322ca67b8cd0", "status": "affected", "versionType": "git"}, {"version": "e2ffcda1629012a2c1a3706432bc45fdc899a584", "lessThan": "eace3b3e729d5ba11794d69acfafb58a7950217c", "status": "affected", "versionType": "git"}, {"version": "e2ffcda1629012a2c1a3706432bc45fdc899a584", "lessThan": "c085d82613d5618814b84406c8b2d64f1bc305e7", "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/x86/intel/hid.c"], "versions": [{"version": "6.8", "status": "affected"}, {"version": "0", "lessThan": "6.8", "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": "6.8", "versionEndExcluding": "6.12.96"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a6402808e552e44e9c26a9fe8395ac11703d5800"}, {"url": "https://git.kernel.org/stable/c/86df6499dfd232fbc1c82c0d6eb9322ca67b8cd0"}, {"url": "https://git.kernel.org/stable/c/eace3b3e729d5ba11794d69acfafb58a7950217c"}, {"url": "https://git.kernel.org/stable/c/c085d82613d5618814b84406c8b2d64f1bc305e7"}], "title": "platform/x86: intel-hid: Protect ACPI notify handler against recursion", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/platform/x86/intel/hid.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a6402808e552e44e9c26a9fe8395ac11703d5800", "status": "affected", "version": "e2ffcda1629012a2c1a3706432bc45fdc899a584", "versionType": "git"}, {"lessThan": "86df6499dfd232fbc1c82c0d6eb9322ca67b8cd0", "status": "affected", "version": "e2ffcda1629012a2c1a3706432bc45fdc899a584", "versionType": "git"}, {"lessThan": "eace3b3e729d5ba11794d69acfafb58a7950217c", "status": "affected", "version": "e2ffcda1629012a2c1a3706432bc45fdc899a584", "versionType": "git"}, {"lessThan": "c085d82613d5618814b84406c8b2d64f1bc305e7", "status": "affected", "version": "e2ffcda1629012a2c1a3706432bc45fdc899a584", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/platform/x86/intel/hid.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.8"}, {"lessThan": "6.8", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.96", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.39", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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/x86: intel-hid: Protect ACPI notify handler against recursion\n\nSince commit e2ffcda16290 (\"ACPI: OSL: Allow Notify () handlers to run on\nall CPUs\") ACPI notify handlers like the intel-hid notify_handler() may\nrun on multiple CPU cores racing with themselves.\n\nOn convertibles and detachables (matched by DMI chassis-type 31 and 32 in\ndmi_auto_add_switch[]) the SW_TABLET_MODE input device is registered\nlazily from notify_handler() on the first tablet-mode event, via\nintel_hid_switches_setup(). When two such events race on different CPUs\nboth can pass the !priv->switches check and register the priv->switches\ninput device twice, resulting in a duplicate sysfs entry and a subsequent\nNULL pointer dereference.\n\nThis is the same class of bug fixed by commit e075c3b13a0a (\"platform/x86:\nintel-vbtn: Protect ACPI notify handler against recursion\") for the\nsibling intel-vbtn driver.\n\nProtect intel-hid notify_handler() from racing with itself with a mutex\nto fix this."}], "id": "CVE-2026-64603", "lastModified": "2026-08-17T05:18:07.030", "metrics": {}, "published": "2026-08-06T08:16:36.083", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/86df6499dfd232fbc1c82c0d6eb9322ca67b8cd0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a6402808e552e44e9c26a9fe8395ac11703d5800"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c085d82613d5618814b84406c8b2d64f1bc305e7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/eace3b3e729d5ba11794d69acfafb58a7950217c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e2ffcda1629012a2c1a3706432bc45fdc899a584,a6402808e552e44e9c26a9fe8395ac11703d5800)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e2ffcda1629012a2c1a3706432bc45fdc899a584,86df6499dfd232fbc1c82c0d6eb9322ca67b8cd0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e2ffcda1629012a2c1a3706432bc45fdc899a584,eace3b3e729d5ba11794d69acfafb58a7950217c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e2ffcda1629012a2c1a3706432bc45fdc899a584,c085d82613d5618814b84406c8b2d64f1bc305e7)"}}], "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": "6.8"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.96,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.39,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.4,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-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": "2026-08-06T10:00:05.754876+00:00", "updated": "2026-08-06T10:15:03.168147+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-362"]}