CVE-2025-38253

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-38253", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.997Z", "datePublished": "2025-07-09T10:42:32.059Z", "dateUpdated": "2026-10-15T21:52:12.785Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:00:46.365Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: wacom: fix crash in wacom_aes_battery_handler()\n\nCommit fd2a9b29dc9c (\"HID: wacom: Remove AES power_supply after extended\ninactivity\") introduced wacom_aes_battery_handler() which is scheduled\nas a delayed work (aes_battery_work).\n\nIn wacom_remove(), aes_battery_work is not canceled. Consequently, if\nthe device is removed while aes_battery_work is still pending, then hard\ncrashes or \"Oops: general protection fault...\" are experienced when\nwacom_aes_battery_handler() is finally called. E.g., this happens with\nbuilt-in USB devices after resume from hibernate when aes_battery_work\nwas still pending at the time of hibernation.\n\nSo, take care to cancel aes_battery_work in wacom_remove()."}], "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 - The wacom driver binds any Bluetooth HID device presenting Wacom's vendor ID via `BT_DEVICE_WACOM(HID_ANY_ID)` and hid-core's forced `HID_GROUP_WACOM`, so an attacker within Bluetooth range supplying a crafted report descriptor and pen reports reaches the vulnerable path. This matches the adjacent-network scoring used for other Wacom HID report-processing flaws.\nAC:L - The attacker device controls every step \u2014 the report descriptor that sets WACOM_QUIRK_AESPEN, the pen report with sense=0 that arms the work, and the disconnect that frees `struct wacom` \u2014 and the 30-minute delay window guarantees the work is still pending at removal. No race must be won and no uncontrollable state is required.\nPR:N - Everything happens inside kernel HID transport and driver probe/report/remove handling; no user account, credential, or capability on the target is involved. The attacker only needs their device connected to the host.\nUI:N - Once the device is connected, arming the delayed work and then tearing down the link are entirely device-driven with no action by any user on the target. Consistent with prior Wacom HID CVEs scored UI:N.\nS:U - The use-after-free corrupts kernel heap memory and executes within the same kernel security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The freed devm-allocated `struct wacom` is a sprayable slab object whose contents are subsequently used as a workqueue pointer, work function pointer, and `hdev` pointer, giving an attacker who grooms the slab an arbitrary-read/kernel-memory-disclosure primitive.\nI:H - `process_one_work()` invokes `work->func()` read from the freed object and `devres_release_group()` walks stale list data invoking release callbacks, yielding control-flow hijack and arbitrary-write potential; the leftover armed timer in the timer wheel adds list-corruption write primitives.\nA:H - The commit explicitly reports \"hard crashes or 'Oops: general protection fault'\" when the pending work fires after device removal, and the attacker can trigger this repeatedly by reconnecting and disconnecting."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hid/wacom_sys.c"], "versions": [{"version": "fd2a9b29dc9c4c35def91d5d1c5b470843539de6", "lessThan": "a4f182ffa30c52ad1c8e12edfb8049ee748c0f1b", "status": "affected", "versionType": "git"}, {"version": "fd2a9b29dc9c4c35def91d5d1c5b470843539de6", "lessThan": "57a3d82200dbeccd002244b96acad570eeeb731f", "status": "affected", "versionType": "git"}, {"version": "fd2a9b29dc9c4c35def91d5d1c5b470843539de6", "lessThan": "f3054152c12e2eed1e72704aff47b0ea58229584", "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/wacom_sys.c"], "versions": [{"version": "6.8", "status": "affected"}, {"version": "0", "lessThan": "6.8", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.36", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.5", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16", "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": "6.12.36"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.15.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a4f182ffa30c52ad1c8e12edfb8049ee748c0f1b"}, {"url": "https://git.kernel.org/stable/c/57a3d82200dbeccd002244b96acad570eeeb731f"}, {"url": "https://git.kernel.org/stable/c/f3054152c12e2eed1e72704aff47b0ea58229584"}], "title": "HID: wacom: fix crash in wacom_aes_battery_handler()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-38253", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-15T21:49:01.443608Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T21:52:12.785Z"}}]}}

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This matches the adjacent-network scoring used for other Wacom HID report-processing flaws.\nAC:L - The attacker device controls every step \u2014 the report descriptor that sets WACOM_QUIRK_AESPEN, the pen report with sense=0 that arms the work, and the disconnect that frees `struct wacom` \u2014 and the 30-minute delay window guarantees the work is still pending at removal. No race must be won and no uncontrollable state is required.\nPR:N - Everything happens inside kernel HID transport and driver probe/report/remove handling; no user account, credential, or capability on the target is involved. The attacker only needs their device connected to the host.\nUI:N - Once the device is connected, arming the delayed work and then tearing down the link are entirely device-driven with no action by any user on the target. Consistent with prior Wacom HID CVEs scored UI:N.\nS:U - The use-after-free corrupts kernel heap memory and executes within the same kernel security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The freed devm-allocated `struct wacom` is a sprayable slab object whose contents are subsequently used as a workqueue pointer, work function pointer, and `hdev` pointer, giving an attacker who grooms the slab an arbitrary-read/kernel-memory-disclosure primitive.\nI:H - `process_one_work()` invokes `work->func()` read from the freed object and `devres_release_group()` walks stale list data invoking release callbacks, yielding control-flow hijack and arbitrary-write potential; the leftover armed timer in the timer wheel adds list-corruption write primitives.\nA:H - The commit explicitly reports \"hard crashes or 'Oops: general protection fault'\" when the pending work fires after device removal, and the attacker can trigger this repeatedly by reconnecting and disconnecting."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "fd2a9b29dc9c4c35def91d5d1c5b470843539de6", "lessThan": "a4f182ffa30c52ad1c8e12edfb8049ee748c0f1b", "versionType": "git"}, {"status": "affected", "version": "fd2a9b29dc9c4c35def91d5d1c5b470843539de6", "lessThan": "57a3d82200dbeccd002244b96acad570eeeb731f", "versionType": "git"}, {"status": "affected", "version": "fd2a9b29dc9c4c35def91d5d1c5b470843539de6", "lessThan": "f3054152c12e2eed1e72704aff47b0ea58229584", "versionType": "git"}], "programFiles": ["drivers/hid/wacom_sys.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.8"}, {"status": "unaffected", "version": "0", "lessThan": "6.8", "versionType": "semver"}, {"status": "unaffected", "version": "6.12.36", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.15.5", "versionType": "semver", "lessThanOrEqual": "6.15.*"}, {"status": "unaffected", "version": "6.16", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/hid/wacom_sys.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/a4f182ffa30c52ad1c8e12edfb8049ee748c0f1b"}, {"url": "https://git.kernel.org/stable/c/57a3d82200dbeccd002244b96acad570eeeb731f"}, {"url": "https://git.kernel.org/stable/c/f3054152c12e2eed1e72704aff47b0ea58229584"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: wacom: fix crash in wacom_aes_battery_handler()\n\nCommit fd2a9b29dc9c (\"HID: wacom: Remove AES power_supply after extended\ninactivity\") introduced wacom_aes_battery_handler() which is scheduled\nas a delayed work (aes_battery_work).\n\nIn wacom_remove(), aes_battery_work is not canceled. Consequently, if\nthe device is removed while aes_battery_work is still pending, then hard\ncrashes or \"Oops: general protection fault...\" are experienced when\nwacom_aes_battery_handler() is finally called. E.g., this happens with\nbuilt-in USB devices after resume from hibernate when aes_battery_work\nwas still pending at the time of hibernation.\n\nSo, take care to cancel aes_battery_work in wacom_remove()."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.36", "versionStartIncluding": "6.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.15.5", "versionStartIncluding": "6.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.16", "versionStartIncluding": "6.8"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:00:46.365Z"}}}, "cveMetadata": {"cveId": "CVE-2025-38253", "state": "PUBLISHED", "dateUpdated": "2026-10-15T21:52:12.785Z", "dateReserved": "2025-04-16T04:51:23.997Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-07-09T10:42:32.059Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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Consequently, if\nthe device is removed while aes_battery_work is still pending, then hard\ncrashes or \"Oops: general protection fault...\" are experienced when\nwacom_aes_battery_handler() is finally called. E.g., this happens with\nbuilt-in USB devices after resume from hibernate when aes_battery_work\nwas still pending at the time of hibernation.\n\nSo, take care to cancel aes_battery_work in wacom_remove()."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: HID: wacom: correcci\u00f3n de fallo en wacom_aes_battery_handler(). El commit fd2a9b29dc9c (\"HID: wacom: Eliminar la fuente de alimentaci\u00f3n AES tras una inactividad prolongada\") introdujo wacom_aes_battery_handler(), que est\u00e1 programado como un trabajo retrasado (aes_battery_work). En wacom_remove(), aes_battery_work no se cancela. Por lo tanto, si se retira el dispositivo mientras aes_battery_work est\u00e1 pendiente, se producen fallos graves o el error \"Uy: fallo de protecci\u00f3n general...\" al ejecutar wacom_aes_battery_handler(). Por ejemplo, esto ocurre con dispositivos USB integrados tras la reanudaci\u00f3n de la hibernaci\u00f3n cuando aes_battery_work estaba pendiente en ese momento. Por lo tanto, tenga cuidado de cancelar aes_battery_work en wacom_remove()."}], "id": "CVE-2025-38253", "lastModified": "2026-10-15T22:18:37.023", "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": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-38253", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T21:49:01.443608Z", "version": "2.0.3"}}]}, "published": "2025-07-09T11:15:27.540", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/57a3d82200dbeccd002244b96acad570eeeb731f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a4f182ffa30c52ad1c8e12edfb8049ee748c0f1b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f3054152c12e2eed1e72704aff47b0ea58229584"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: HID: wacom: fix crash in wacom_aes_battery_handler()", "id": "2378980", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2378980"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-38253", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-07-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38253\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38253\nhttps://lore.kernel.org/linux-cve-announce/2025070935-CVE-2025-38253-a33e@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-13T21:08:04.520083+00:00", "updated": "2025-07-13T21:08:04.520183+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}