{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-53253", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-15T14:19:21.849Z", "datePublished": "2025-09-15T14:46:23.661Z", "dateUpdated": "2026-08-05T09:13:17.220Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T09:13:17.220Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: nvidia-shield: Reference hid_device devm allocation of input_dev name\n\nUse hid_device for devm allocation of the input_dev name to avoid a\nuse-after-free. input_unregister_device would trigger devres cleanup of all\nresources associated with the input_dev, free-ing the name. The name would\nsubsequently be used in a uevent fired at the end of unregistering the\ninput_dev." } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH" }, "scenarios": [ { "lang": "en", "value": "AV:A - hid-nvidia-shield's id_table explicitly includes HID_BLUETOOTH_DEVICE for the Thunderstrike controller (and Kconfig depends on BT_HIDP), so an in-range attacker can connect a crafted Bluetooth HID device and disconnect it to trigger the UAF; Adjacent is higher severity than the USB-only Physical path.\nAC:L - Probe unconditionally allocates the input_dev name via devm against &idev->dev when haptics are enabled, and disconnect reliably hits the free-then-uevent teardown ordering with no race or attacker-uncontrollable condition required.\nPR:N - Bluetooth HID enumeration and driver bind/unbind run from kernel hotplug with no account, capability, or authentication on the target; the attacker needs no local privileges on the victim system.\nUI:N - The attacker performs connect and disconnect themselves (or via Just Works / auto-reconnect HID pairing), and the kernel probe/teardown path fires the uevent without requiring the victim to open a file or otherwise interact.\nS:U - The use-after-free corrupts kernel heap state within the same OS security authority; it does not cross a VM, IOMMU, or sandbox boundary.\nC:H - The freed input_dev name string is read via %s into the KOBJ_REMOVE uevent, so a groomed reallocation of the kmalloc object yields disclosure of attacker-chosen heap contents; kernel UAF is scored High confidentiality.\nI:H - The UAF is a sprayable kmalloc object whose dangling pointer is consumed during teardown; heap grooming enables overlapping objects and control-flow/write primitives, so integrity impact is High per UAF guidance.\nA:H - Use of the freed name during uevent generation reliably produces a kernel oops/panic (or KASAN slab-use-after-free), and the attacker can repeat connect/disconnect at will." } ] } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/hid/hid-nvidia-shield.c" ], "versions": [ { "version": "09308562d4afb1abc66366608fa1cb9de783272f", "lessThan": "b85d3807e5ec368bfd5b20245347d7c1434aff76", "status": "affected", "versionType": "git" }, { "version": "09308562d4afb1abc66366608fa1cb9de783272f", "lessThan": "197d3143520fec9fde89aebabc9f0d7464f08e50", "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/hid/hid-nvidia-shield.c" ], "versions": [ { "version": "6.5", "status": "affected" }, { "version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver" }, { "version": "6.5.3", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6", "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": "6.5", "versionEndExcluding": "6.5.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.6" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/b85d3807e5ec368bfd5b20245347d7c1434aff76" }, { "url": "https://git.kernel.org/stable/c/197d3143520fec9fde89aebabc9f0d7464f08e50" } ], "title": "HID: nvidia-shield: Reference hid_device devm allocation of input_dev name", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2023-53253", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2026-01-14T18:00:58.589859Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T18:02:52.381Z" } } ] } }