CVE-2026-64273

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For an index\nof 32..127 the test_and_set_bit()/test_and_clear_bit() is an\nout-of-bounds single-bit read-modify-write past the array. core_effects[]\nis the second-to-last member of struct iforce, so the write lands in the\ntrailing members and beyond the embedding kzalloc()'d iforce_serio /\niforce_usb object.\n\ndata[1] is unvalidated device payload on both transports (the USB\ninterrupt endpoint and serio), and the status path is not gated on force\nfeedback being present, so a malicious or counterfeit device can set or\nclear a bit at an attacker-chosen offset past the object.\n\nReject an out-of-range index instead of indexing with it. Bound against\nthe array dimension IFORCE_EFFECTS_MAX rather than dev->ff->max_effects so\nthe check guarantees memory safety regardless of how many effects the\ndevice registered. A legitimate \"effect started/stopped\" status always\ncarries an index below IFORCE_EFFECTS_MAX, so well-formed devices are\nunaffected; the neighbouring mark_core_as_ready() loop is already bounded\nand is left untouched."}], "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-packets.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "b1b79e89bc33e4c682d3df7ae2aadc62b5a0c310", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "d10b0507fa0f5b46764b178e3271f9012f2df677", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "6c0f2901c9d325d4a0574c4237fd507810d225ff", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "c21295616a8a52b9a5f18cd4ca8c73030eda3d4f", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "e5fa31f0550b55d80045669ae9080dd5b88abffa", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "70019779325f2bb5f5a4098e91e79c655f50fcef", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "a40250f97c312e000e3616c9074022311a0efbc3", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "0e9943d2e4c63496b6ca84bc66fd3c71d40558e2", "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-packets.c"], "versions": [{"version": "2.6.12", "status": "affected"}, {"version": "0", "lessThan": "2.6.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "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": "2.6.12", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.12.96"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b1b79e89bc33e4c682d3df7ae2aadc62b5a0c310"}, {"url": "https://git.kernel.org/stable/c/d10b0507fa0f5b46764b178e3271f9012f2df677"}, {"url": "https://git.kernel.org/stable/c/6c0f2901c9d325d4a0574c4237fd507810d225ff"}, {"url": "https://git.kernel.org/stable/c/c21295616a8a52b9a5f18cd4ca8c73030eda3d4f"}, {"url": "https://git.kernel.org/stable/c/e5fa31f0550b55d80045669ae9080dd5b88abffa"}, {"url": "https://git.kernel.org/stable/c/70019779325f2bb5f5a4098e91e79c655f50fcef"}, {"url": "https://git.kernel.org/stable/c/a40250f97c312e000e3616c9074022311a0efbc3"}, {"url": "https://git.kernel.org/stable/c/0e9943d2e4c63496b6ca84bc66fd3c71d40558e2"}], "title": "Input: iforce - bound the device-reported force-feedback effect index", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

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"matchCriteriaId": "476CB3A5-D022-4F13-AAEF-CB6A5785516A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: iforce - bound the device-reported force-feedback effect index\n\niforce_process_packet() handles a status report (packet id 0x02) by\ntaking a force-feedback effect index straight from the device wire and\nusing it to address the per-effect state array:\n\n\ti = data[1] & 0x7f;\n\tif (data[1] & 0x80) {\n\t\tif (!test_and_set_bit(FF_CORE_IS_PLAYED,\n\t\t\t\t iforce->core_effects[i].flags))\n\t\t\t...\n\t} else if (test_and_clear_bit(FF_CORE_IS_PLAYED,\n\t\t\t\t iforce->core_effects[i].flags)) {\n\t\t...\n\t}\n\nThe index is masked only with 0x7f, so it ranges 0..127, but\ncore_effects[] holds only IFORCE_EFFECTS_MAX (32) entries. For an index\nof 32..127 the test_and_set_bit()/test_and_clear_bit() is an\nout-of-bounds single-bit read-modify-write past the array. core_effects[]\nis the second-to-last member of struct iforce, so the write lands in the\ntrailing members and beyond the embedding kzalloc()'d iforce_serio /\niforce_usb object.\n\ndata[1] is unvalidated device payload on both transports (the USB\ninterrupt endpoint and serio), and the status path is not gated on force\nfeedback being present, so a malicious or counterfeit device can set or\nclear a bit at an attacker-chosen offset past the object.\n\nReject an out-of-range index instead of indexing with it. Bound against\nthe array dimension IFORCE_EFFECTS_MAX rather than dev->ff->max_effects so\nthe check guarantees memory safety regardless of how many effects the\ndevice registered. A legitimate \"effect started/stopped\" status always\ncarries an index below IFORCE_EFFECTS_MAX, so well-formed devices are\nunaffected; the neighbouring mark_core_as_ready() loop is already bounded\nand is left untouched."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nEntrada: iforce - se limit\u00f3 el \u00edndice de efecto de retroalimentaci\u00f3n de fuerza reportado por el dispositivo\n\niforce_process_packet() maneja un informe de estado (ID de paquete 0x02) tomando un \u00edndice de efecto de retroalimentaci\u00f3n de fuerza directamente del cable del dispositivo y us\u00e1ndolo para direccionar el array de estado por efecto:\n\n\ti = data[1] & 0x7f;\n\tif (data[1] & 0x80) {\n\t\tif (!test_and_set_bit(FF_CORE_IS_PLAYED,\n\t\t\t\t iforce -> core_effects[i].flags))\n\t\t\t...\n\t} else if (test_and_clear_bit(FF_CORE_IS_PLAYED,\n\t\t\t\t iforce -> core_effects[i].flags)) {\n\t\t...\n\t}\n\nEl \u00edndice se enmascara solo con 0x7f, por lo que su rango es 0..127, pero core_effects[] contiene solo IFORCE_EFFECTS_MAX (32) entradas. Para un \u00edndice de 32..127, el test_and_set_bit()/test_and_clear_bit() es una operaci\u00f3n de lectura-modificaci\u00f3n-escritura de un solo bit fuera de los l\u00edmites del array. core_effects[] es el pen\u00faltimo miembro de la estructura iforce, por lo que la escritura cae en los miembros finales y m\u00e1s all\u00e1 del objeto iforce_serio / iforce_usb incrustado asignado con kzalloc().\n\ndata[1] es una carga \u00fatil de dispositivo no validada en ambos transportes (el punto final de interrupci\u00f3n USB y serio), y la ruta de estado no est\u00e1 condicionada a la presencia de retroalimentaci\u00f3n de fuerza, por lo que un dispositivo malicioso o falsificado puede establecer o borrar un bit en un desplazamiento elegido por el atacante m\u00e1s all\u00e1 del objeto.\n\nRechazar un \u00edndice fuera de rango en lugar de indexar con \u00e9l. Limitar contra la dimensi\u00f3n del array IFORCE_EFFECTS_MAX en lugar de dev -> ff -> max_effects para que la comprobaci\u00f3n garantice la seguridad de la memoria independientemente de cu\u00e1ntos efectos haya registrado el dispositivo. Un estado leg\u00edtimo de \u2019efecto iniciado/detenido\u2019 siempre lleva un \u00edndice por debajo de IFORCE_EFFECTS_MAX, por lo que los dispositivos bien formados no se ven afectados; el bucle adyacente mark_core_as_ready() ya est\u00e1 limitado y se deja intacto."}], "id": "CVE-2026-64273", "lastModified": "2026-10-24T13:10:00.147", "metrics": {"cvssMetricV31": [{"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"}]}, "published": "2026-07-25T10:17:07.660", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0e9943d2e4c63496b6ca84bc66fd3c71d40558e2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6c0f2901c9d325d4a0574c4237fd507810d225ff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/70019779325f2bb5f5a4098e91e79c655f50fcef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a40250f97c312e000e3616c9074022311a0efbc3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b1b79e89bc33e4c682d3df7ae2aadc62b5a0c310"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c21295616a8a52b9a5f18cd4ca8c73030eda3d4f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d10b0507fa0f5b46764b178e3271f9012f2df677"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e5fa31f0550b55d80045669ae9080dd5b88abffa"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-129"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: Input: iforce - bound the device-reported force-feedback effect index", "id": "2507199", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507199"}, "csaw": false, "cwe": "CWE-787", "details": ["A flaw was found in the Linux kernel's iforce input driver. A malicious actor with a specially crafted input device could exploit an out-of-bounds write vulnerability by sending an unvalidated force-feedback effect index. This could allow the attacker to corrupt memory, potentially leading to system instability or other unpredictable behavior."], "name": "CVE-2026-64273", "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": "2026-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64273\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64273\nhttps://lore.kernel.org/linux-cve-announce/2026072500-CVE-2026-64273-0188@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,b1b79e89bc33e4c682d3df7ae2aadc62b5a0c310)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,d10b0507fa0f5b46764b178e3271f9012f2df677)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,6c0f2901c9d325d4a0574c4237fd507810d225ff)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,c21295616a8a52b9a5f18cd4ca8c73030eda3d4f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,e5fa31f0550b55d80045669ae9080dd5b88abffa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,70019779325f2bb5f5a4098e91e79c655f50fcef)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,a40250f97c312e000e3616c9074022311a0efbc3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,0e9943d2e4c63496b6ca84bc66fd3c71d40558e2)"}}], "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": "semver", "value": "2.6.12"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.12)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.10.261,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.212,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.178,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.145,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.96,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.39,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.4,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "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": "2026-07-25T12:00:11.860733+00:00", "updated": "2026-08-13T20:15:03.196203+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}