{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49954", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.382Z", "datePublished": "2025-06-18T11:00:16.928Z", "dateUpdated": "2025-06-18T11:00:16.928Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-06-18T11:00:16.928Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: iforce - wake up after clearing IFORCE_XMIT_RUNNING flag\n\nsyzbot is reporting hung task at __input_unregister_device() [1], for\niforce_close() waiting at wait_event_interruptible() with dev->mutex held\nis blocking input_disconnect_device() from __input_unregister_device().\n\nIt seems that the cause is simply that commit c2b27ef672992a20 (\"Input:\niforce - wait for command completion when closing the device\") forgot to\ncall wake_up() after clear_bit().\n\nFix this problem by introducing a helper that calls clear_bit() followed\nby wake_up_all()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/input/joystick/iforce/iforce-serio.c", "drivers/input/joystick/iforce/iforce-usb.c", "drivers/input/joystick/iforce/iforce.h"], "versions": [{"version": "c2b27ef672992a206e5b221b8676972dd840ffa5", "lessThan": "d186c65599bff0222da37b9215784ddfe39f9e1b", "status": "affected", "versionType": "git"}, {"version": "c2b27ef672992a206e5b221b8676972dd840ffa5", "lessThan": "b271090eea3899399e2adcf79c9c95367d472b03", "status": "affected", "versionType": "git"}, {"version": "c2b27ef672992a206e5b221b8676972dd840ffa5", "lessThan": "df1b53bc799d58f79701c465505a206c72ad4ab8", "status": "affected", "versionType": "git"}, {"version": "c2b27ef672992a206e5b221b8676972dd840ffa5", "lessThan": "b533b9d3a0d1327cbb31c201dc8dbbf98c8bfe3c", "status": "affected", "versionType": "git"}, {"version": "c2b27ef672992a206e5b221b8676972dd840ffa5", "lessThan": "98e01215708b6d416345465c09dce2bd4868c67a", "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/input/joystick/iforce/iforce-serio.c", "drivers/input/joystick/iforce/iforce-usb.c", "drivers/input/joystick/iforce/iforce.h"], "versions": [{"version": "2.6.33", "status": "affected"}, {"version": "0", "lessThan": "2.6.33", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.213", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.142", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.66", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.8", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "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": "2.6.33", "versionEndExcluding": "5.4.213"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.33", "versionEndExcluding": "5.10.142"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.33", "versionEndExcluding": "5.15.66"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.33", "versionEndExcluding": "5.19.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.33", "versionEndExcluding": "6.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d186c65599bff0222da37b9215784ddfe39f9e1b"}, {"url": "https://git.kernel.org/stable/c/b271090eea3899399e2adcf79c9c95367d472b03"}, {"url": "https://git.kernel.org/stable/c/df1b53bc799d58f79701c465505a206c72ad4ab8"}, {"url": "https://git.kernel.org/stable/c/b533b9d3a0d1327cbb31c201dc8dbbf98c8bfe3c"}, {"url": "https://git.kernel.org/stable/c/98e01215708b6d416345465c09dce2bd4868c67a"}], "title": "Input: iforce - wake up after clearing IFORCE_XMIT_RUNNING flag", "x_generator": {"engine": "bippy-1.2.0"}}}}

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Parece que la causa es simplemente que el commit c2b27ef672992a20 (\"Entrada: iforce - esperar a que se complete el comando al cerrar el dispositivo\") olvid\u00f3 llamar a wake_up() despu\u00e9s de clear_bit(). Se soluciona este problema mediante un asistente que llame a clear_bit() seguido de wake_up_all()."}], "id": "CVE-2022-49954", "lastModified": "2025-11-14T18:59:26.417", "metrics": {"cvssMetricV31": [{"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"}]}, "published": "2025-06-18T11:15:22.500", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/98e01215708b6d416345465c09dce2bd4868c67a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b271090eea3899399e2adcf79c9c95367d472b03"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b533b9d3a0d1327cbb31c201dc8dbbf98c8bfe3c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d186c65599bff0222da37b9215784ddfe39f9e1b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/df1b53bc799d58f79701c465505a206c72ad4ab8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: Input: iforce - wake up after clearing IFORCE_XMIT_RUNNING flag", "id": "2373565", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373565"}, "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:\nInput: iforce - wake up after clearing IFORCE_XMIT_RUNNING flag\nsyzbot is reporting hung task at __input_unregister_device() [1], for\niforce_close() waiting at wait_event_interruptible() with dev->mutex held\nis blocking input_disconnect_device() from __input_unregister_device().\nIt seems that the cause is simply that commit c2b27ef672992a20 (\"Input:\niforce - wait for command completion when closing the device\") forgot to\ncall wake_up() after clear_bit().\nFix this problem by introducing a helper that calls clear_bit() followed\nby wake_up_all()."], "name": "CVE-2022-49954", "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": "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49954\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49954\nhttps://lore.kernel.org/linux-cve-announce/2025061811-CVE-2022-49954-97f4@gregkh/T"], "threat_severity": "Moderate"}