CVE-2023-53454

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At the point of firing the uevent, the\nname would be freed by devres management.\n\nUse devm_kasprintf to simplify the logic for allocating memory and\nformatting the input_dev name string."}], "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-multitouch explicitly binds Bluetooth HID multitouch devices (MT_BT_DEVICE, BUS_BLUETOOTH, and HID_BUS_ANY catch-alls), so an in-range attacker can connect a crafted Bluetooth HID multitouch device and disconnect it to trigger the UAF; Adjacent is higher severity than the USB-only Physical path.\nAC:L - An attacker-controlled HID report descriptor with ContactID (to select HID_GROUP_MULTITOUCH) plus an unrecognized application collection forces the \"UNKNOWN\" suffix allocation, and disconnect reliably hits device_del's free-then-uevent ordering with no race beyond the attacker's control.\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-multitouch.c"], "versions": [{"version": "c08d46aa805ba46d501f610c2448d07bea979780", "lessThan": "ac0d389402a6ff9ad92cea02c2d8c711483b91ab", "status": "affected", "versionType": "git"}, {"version": "c08d46aa805ba46d501f610c2448d07bea979780", "lessThan": "39c70c19456e50dcb3abfe53539220dff0490f1d", "status": "affected", "versionType": "git"}, {"version": "c08d46aa805ba46d501f610c2448d07bea979780", "lessThan": "df7ca43fe090e1a56c216c8ebc106ef5fd49afc6", "status": "affected", "versionType": "git"}, {"version": "c08d46aa805ba46d501f610c2448d07bea979780", "lessThan": 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"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": "3.12", "versionEndExcluding": "4.14.326"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "4.19.295"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "5.4.257"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "5.10.195"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", 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"https://git.kernel.org/stable/c/dde88ab4e45beb60b217026207aa9c14c88d71ab"}, {"url": "https://git.kernel.org/stable/c/2763732ec1e68910719c75b6b896e11b6d3d622b"}, {"url": "https://git.kernel.org/stable/c/1d7833db9fd118415dace2ca157bfa603dec9c8c"}, {"url": "https://git.kernel.org/stable/c/b70ac7849248ec8128fa12f86e3655ba38838f29"}, {"url": "https://git.kernel.org/stable/c/4794394635293a3e74591351fff469cea7ad15a2"}], "title": "HID: multitouch: Correct devm device reference for hidinput input_dev name", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-53454", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-15T21:34:30.307284Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T21:41:28.079Z"}}]}}

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Adjacent is higher severity than the USB-only Physical path.\nAC:L - An attacker-controlled HID report descriptor with ContactID (to select HID_GROUP_MULTITOUCH) plus an unrecognized application collection forces the \"UNKNOWN\" suffix allocation, and disconnect reliably hits device_del's free-then-uevent ordering with no race beyond the attacker's control.\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": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "c08d46aa805ba46d501f610c2448d07bea979780", "lessThan": "ac0d389402a6ff9ad92cea02c2d8c711483b91ab", "versionType": "git"}, {"status": "affected", "version": "c08d46aa805ba46d501f610c2448d07bea979780", "lessThan": "39c70c19456e50dcb3abfe53539220dff0490f1d", "versionType": "git"}, {"status": "affected", "version": "c08d46aa805ba46d501f610c2448d07bea979780", "lessThan": "df7ca43fe090e1a56c216c8ebc106ef5fd49afc6", "versionType": "git"}, {"status": "affected", "version": "c08d46aa805ba46d501f610c2448d07bea979780", "lessThan": "15ec7cb55e7d88755aa01d44a7a1015a42bfce86", "versionType": "git"}, {"status": "affected", "version": "c08d46aa805ba46d501f610c2448d07bea979780", "lessThan": "dde88ab4e45beb60b217026207aa9c14c88d71ab", "versionType": "git"}, {"status": "affected", "version": "c08d46aa805ba46d501f610c2448d07bea979780", "lessThan": "2763732ec1e68910719c75b6b896e11b6d3d622b", "versionType": "git"}, {"status": "affected", "version": "c08d46aa805ba46d501f610c2448d07bea979780", "lessThan": "1d7833db9fd118415dace2ca157bfa603dec9c8c", "versionType": "git"}, {"status": "affected", "version": "c08d46aa805ba46d501f610c2448d07bea979780", "lessThan": "b70ac7849248ec8128fa12f86e3655ba38838f29", "versionType": "git"}, {"status": "affected", "version": "c08d46aa805ba46d501f610c2448d07bea979780", "lessThan": "4794394635293a3e74591351fff469cea7ad15a2", "versionType": "git"}], "programFiles": ["drivers/hid/hid-multitouch.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.12"}, {"status": "unaffected", "version": "0", "lessThan": "3.12", "versionType": "semver"}, {"status": "unaffected", "version": "4.14.326", "versionType": "semver", "lessThanOrEqual": "4.14.*"}, {"status": "unaffected", "version": "4.19.295", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.257", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.195", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.132", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.53", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.4.16", "versionType": "semver", "lessThanOrEqual": "6.4.*"}, {"status": "unaffected", "version": "6.5.3", "versionType": "semver", "lessThanOrEqual": "6.5.*"}, {"status": "unaffected", "version": "6.6", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/hid/hid-multitouch.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/ac0d389402a6ff9ad92cea02c2d8c711483b91ab"}, {"url": "https://git.kernel.org/stable/c/39c70c19456e50dcb3abfe53539220dff0490f1d"}, {"url": "https://git.kernel.org/stable/c/df7ca43fe090e1a56c216c8ebc106ef5fd49afc6"}, {"url": "https://git.kernel.org/stable/c/15ec7cb55e7d88755aa01d44a7a1015a42bfce86"}, {"url": "https://git.kernel.org/stable/c/dde88ab4e45beb60b217026207aa9c14c88d71ab"}, {"url": "https://git.kernel.org/stable/c/2763732ec1e68910719c75b6b896e11b6d3d622b"}, {"url": "https://git.kernel.org/stable/c/1d7833db9fd118415dace2ca157bfa603dec9c8c"}, {"url": "https://git.kernel.org/stable/c/b70ac7849248ec8128fa12f86e3655ba38838f29"}, {"url": "https://git.kernel.org/stable/c/4794394635293a3e74591351fff469cea7ad15a2"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: multitouch: Correct devm device reference for hidinput input_dev name\n\nReference the HID device rather than the input device for the devm\nallocation of the input_dev name. Referencing the input_dev would lead to a\nuse-after-free when the input_dev was unregistered and subsequently fires a\nuevent that depends on the name. 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name\n\nReference the HID device rather than the input device for the devm\nallocation of the input_dev name. Referencing the input_dev would lead to a\nuse-after-free when the input_dev was unregistered and subsequently fires a\nuevent that depends on the name. At the point of firing the uevent, the\nname would be freed by devres management.\n\nUse devm_kasprintf to simplify the logic for allocating memory and\nformatting the input_dev name string."}], "id": "CVE-2023-53454", "lastModified": "2026-10-15T22:17:39.580", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-53454", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T21:34:30.307284Z", "version": "2.0.3"}}]}, "published": "2025-10-01T12:15:43.953", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/15ec7cb55e7d88755aa01d44a7a1015a42bfce86"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1d7833db9fd118415dace2ca157bfa603dec9c8c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2763732ec1e68910719c75b6b896e11b6d3d622b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/39c70c19456e50dcb3abfe53539220dff0490f1d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4794394635293a3e74591351fff469cea7ad15a2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ac0d389402a6ff9ad92cea02c2d8c711483b91ab"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b70ac7849248ec8128fa12f86e3655ba38838f29"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dde88ab4e45beb60b217026207aa9c14c88d71ab"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/df7ca43fe090e1a56c216c8ebc106ef5fd49afc6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: HID: multitouch: Correct devm device reference for hidinput input_dev name", "id": "2400698", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2400698"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nHID: multitouch: Correct devm device reference for hidinput input_dev name\nReference the HID device rather than the input device for the devm\nallocation of the input_dev name. Referencing the input_dev would lead to a\nuse-after-free when the input_dev was unregistered and subsequently fires a\nuevent that depends on the name. At the point of firing the uevent, the\nname would be freed by devres management.\nUse devm_kasprintf to simplify the logic for allocating memory and\nformatting the input_dev name string."], "name": "CVE-2023-53454", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:rhivos:1", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat In-Vehicle Operating System 1"}], "public_date": "2025-10-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53454\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53454\nhttps://lore.kernel.org/linux-cve-announce/2025100104-CVE-2023-53454-5ee6@gregkh/T"], "threat_severity": "Important"}

{"created": "2025-10-02T08:40:00.810800+00:00", "updated": "2025-10-02T08:40:00.810865+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}