{"api_version":"1","generated_at":"2026-09-10T09:38:28+00:00","cve":"CVE-2026-80772","urls":{"html":"https://cve.report/CVE-2026-80772","api":"https://cve.report/api/cve/CVE-2026-80772.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80772","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80772"},"summary":{"title":"HID: nintendo: fix out-of-bounds read in joycon_ctlr_read_handler()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: nintendo: fix out-of-bounds read in joycon_ctlr_read_handler()\n\njoycon_ctlr_read_handler() casts an incoming HID input report to\nstruct joycon_input_report and parses it, guarding the cast only with a\n12-byte length check:\n\n\tif (size >= 12) /* make sure it contains the input report */\n\t\tjoycon_parse_report(ctlr, (struct joycon_input_report *)data);\n\nstruct joycon_input_report is 49 bytes: a 13-byte header followed by a\nunion whose IMU arm is 36 bytes. For an IMU report joycon_parse_report()\n-> joycon_parse_imu_report() walks that union (struct offsets 13..48),\nso a report of exactly 12 bytes with data[0] == JC_INPUT_IMU_DATA passes\nthe guard yet is read up to 37 bytes past its declared length. The\nover-read bytes are decoded into accelerometer/gyroscope values and\nforwarded to userspace through the \"(IMU)\" input device, leaking\ndriver-internal memory. data[0] and size are fully controlled by a\nmalicious or spoofed Joy-Con/Pro Controller.\n\nReceive buffers are sized to the maximum report length, so this is an\nover-read within the allocation rather than a slab OOB, but the decoded\nbytes still reach userspace.\n\nThe sibling subcmd path in joycon_ctlr_handle_event() already bounds the\nsame cast correctly:\n\n\tif (size < sizeof(struct joycon_input_report) ||\n\t    data[0] != JC_INPUT_SUBCMD_REPLY)\n\t\tbreak;\n\nUse the same sizeof(struct joycon_input_report) bound here.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-04 16:18:02","updated_at":"2026-09-04 16:18:02"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/33ea29f8b6141f2d265de807e110a6435b355cb0","name":"https://git.kernel.org/stable/c/33ea29f8b6141f2d265de807e110a6435b355cb0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/addca61f9a23c0d20a387c2040e70479f54518e1","name":"https://git.kernel.org/stable/c/addca61f9a23c0d20a387c2040e70479f54518e1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/34725ed4719da424113db8449fb5485aaf71a913","name":"https://git.kernel.org/stable/c/34725ed4719da424113db8449fb5485aaf71a913","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bd397c4123a4bc084913d8c7fdb40ef94e9f8172","name":"https://git.kernel.org/stable/c/bd397c4123a4bc084913d8c7fdb40ef94e9f8172","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/27b376b945c0aac46fcdfcc950b14a85b874b557","name":"https://git.kernel.org/stable/c/27b376b945c0aac46fcdfcc950b14a85b874b557","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d4cabd4089adb59cf7974915737c52cc47a9bb1b","name":"https://git.kernel.org/stable/c/d4cabd4089adb59cf7974915737c52cc47a9bb1b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/51cfd1adbe7a46bb08af162abb3ab3b6820e2d15","name":"https://git.kernel.org/stable/c/51cfd1adbe7a46bb08af162abb3ab3b6820e2d15","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80772","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80772","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2af16c1f846bd60240745bbd3afa13d5f040c61a 33ea29f8b6141f2d265de807e110a6435b355cb0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2af16c1f846bd60240745bbd3afa13d5f040c61a bd397c4123a4bc084913d8c7fdb40ef94e9f8172 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2af16c1f846bd60240745bbd3afa13d5f040c61a addca61f9a23c0d20a387c2040e70479f54518e1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2af16c1f846bd60240745bbd3afa13d5f040c61a 51cfd1adbe7a46bb08af162abb3ab3b6820e2d15 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2af16c1f846bd60240745bbd3afa13d5f040c61a d4cabd4089adb59cf7974915737c52cc47a9bb1b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2af16c1f846bd60240745bbd3afa13d5f040c61a 34725ed4719da424113db8449fb5485aaf71a913 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2af16c1f846bd60240745bbd3afa13d5f040c61a 27b376b945c0aac46fcdfcc950b14a85b874b557 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.16","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.185 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.154 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.106 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.47 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.11 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.1 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"80772","cve":"CVE-2026-80772","epss":"0.001730000","percentile":"0.068280000","score_date":"2026-09-07","updated_at":"2026-09-08 00:05:27"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/hid/hid-nintendo.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"33ea29f8b6141f2d265de807e110a6435b355cb0","status":"affected","version":"2af16c1f846bd60240745bbd3afa13d5f040c61a","versionType":"git"},{"lessThan":"bd397c4123a4bc084913d8c7fdb40ef94e9f8172","status":"affected","version":"2af16c1f846bd60240745bbd3afa13d5f040c61a","versionType":"git"},{"lessThan":"addca61f9a23c0d20a387c2040e70479f54518e1","status":"affected","version":"2af16c1f846bd60240745bbd3afa13d5f040c61a","versionType":"git"},{"lessThan":"51cfd1adbe7a46bb08af162abb3ab3b6820e2d15","status":"affected","version":"2af16c1f846bd60240745bbd3afa13d5f040c61a","versionType":"git"},{"lessThan":"d4cabd4089adb59cf7974915737c52cc47a9bb1b","status":"affected","version":"2af16c1f846bd60240745bbd3afa13d5f040c61a","versionType":"git"},{"lessThan":"34725ed4719da424113db8449fb5485aaf71a913","status":"affected","version":"2af16c1f846bd60240745bbd3afa13d5f040c61a","versionType":"git"},{"lessThan":"27b376b945c0aac46fcdfcc950b14a85b874b557","status":"affected","version":"2af16c1f846bd60240745bbd3afa13d5f040c61a","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/hid/hid-nintendo.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.16"},{"lessThan":"5.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.185","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.154","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.106","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.47","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.11","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.1","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.185","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.154","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.106","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.47","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.11","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.1","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"5.16","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: nintendo: fix out-of-bounds read in joycon_ctlr_read_handler()\n\njoycon_ctlr_read_handler() casts an incoming HID input report to\nstruct joycon_input_report and parses it, guarding the cast only with a\n12-byte length check:\n\n\tif (size >= 12) /* make sure it contains the input report */\n\t\tjoycon_parse_report(ctlr, (struct joycon_input_report *)data);\n\nstruct joycon_input_report is 49 bytes: a 13-byte header followed by a\nunion whose IMU arm is 36 bytes. For an IMU report joycon_parse_report()\n-> joycon_parse_imu_report() walks that union (struct offsets 13..48),\nso a report of exactly 12 bytes with data[0] == JC_INPUT_IMU_DATA passes\nthe guard yet is read up to 37 bytes past its declared length. The\nover-read bytes are decoded into accelerometer/gyroscope values and\nforwarded to userspace through the \"(IMU)\" input device, leaking\ndriver-internal memory. data[0] and size are fully controlled by a\nmalicious or spoofed Joy-Con/Pro Controller.\n\nReceive buffers are sized to the maximum report length, so this is an\nover-read within the allocation rather than a slab OOB, but the decoded\nbytes still reach userspace.\n\nThe sibling subcmd path in joycon_ctlr_handle_event() already bounds the\nsame cast correctly:\n\n\tif (size < sizeof(struct joycon_input_report) ||\n\t    data[0] != JC_INPUT_SUBCMD_REPLY)\n\t\tbreak;\n\nUse the same sizeof(struct joycon_input_report) bound here."}],"providerMetadata":{"dateUpdated":"2026-09-04T15:12:44.445Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/33ea29f8b6141f2d265de807e110a6435b355cb0"},{"url":"https://git.kernel.org/stable/c/bd397c4123a4bc084913d8c7fdb40ef94e9f8172"},{"url":"https://git.kernel.org/stable/c/addca61f9a23c0d20a387c2040e70479f54518e1"},{"url":"https://git.kernel.org/stable/c/51cfd1adbe7a46bb08af162abb3ab3b6820e2d15"},{"url":"https://git.kernel.org/stable/c/d4cabd4089adb59cf7974915737c52cc47a9bb1b"},{"url":"https://git.kernel.org/stable/c/34725ed4719da424113db8449fb5485aaf71a913"},{"url":"https://git.kernel.org/stable/c/27b376b945c0aac46fcdfcc950b14a85b874b557"}],"title":"HID: nintendo: fix out-of-bounds read in joycon_ctlr_read_handler()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80772","datePublished":"2026-09-04T15:12:44.445Z","dateReserved":"2026-08-26T14:34:25.792Z","dateUpdated":"2026-09-04T15:12:44.445Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-04 16:18:02","lastModifiedDate":"2026-09-04 16:18:02","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80772","Ordinal":"1","Title":"HID: nintendo: fix out-of-bounds read in joycon_ctlr_read_handle","CVE":"CVE-2026-80772","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80772","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: nintendo: fix out-of-bounds read in joycon_ctlr_read_handler()\n\njoycon_ctlr_read_handler() casts an incoming HID input report to\nstruct joycon_input_report and parses it, guarding the cast only with a\n12-byte length check:\n\n\tif (size >= 12) /* make sure it contains the input report */\n\t\tjoycon_parse_report(ctlr, (struct joycon_input_report *)data);\n\nstruct joycon_input_report is 49 bytes: a 13-byte header followed by a\nunion whose IMU arm is 36 bytes. For an IMU report joycon_parse_report()\n-> joycon_parse_imu_report() walks that union (struct offsets 13..48),\nso a report of exactly 12 bytes with data[0] == JC_INPUT_IMU_DATA passes\nthe guard yet is read up to 37 bytes past its declared length. The\nover-read bytes are decoded into accelerometer/gyroscope values and\nforwarded to userspace through the \"(IMU)\" input device, leaking\ndriver-internal memory. data[0] and size are fully controlled by a\nmalicious or spoofed Joy-Con/Pro Controller.\n\nReceive buffers are sized to the maximum report length, so this is an\nover-read within the allocation rather than a slab OOB, but the decoded\nbytes still reach userspace.\n\nThe sibling subcmd path in joycon_ctlr_handle_event() already bounds the\nsame cast correctly:\n\n\tif (size < sizeof(struct joycon_input_report) ||\n\t    data[0] != JC_INPUT_SUBCMD_REPLY)\n\t\tbreak;\n\nUse the same sizeof(struct joycon_input_report) bound here.","Type":"Description","Title":"HID: nintendo: fix out-of-bounds read in joycon_ctlr_read_handle"}]}}}