{"api_version":"1","generated_at":"2026-08-04T14:27:31+00:00","cve":"CVE-2026-64274","urls":{"html":"https://cve.report/CVE-2026-64274","api":"https://cve.report/api/cve/CVE-2026-64274.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64274","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64274"},"summary":{"title":"Input: goodix - clamp the device-reported contact count","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: goodix - clamp the device-reported contact count\n\ngoodix_ts_read_input_report() copies the number of touch points reported\nby the device into an on-stack buffer\n\n\tu8 point_data[2 + GOODIX_MAX_CONTACT_SIZE * GOODIX_MAX_CONTACTS];\n\nwhich is sized for at most GOODIX_MAX_CONTACTS (10) contacts. The only\nruntime check bounds the per-interrupt count against ts->max_touch_num,\nbut that value is taken verbatim from a 4-bit field of the device\nconfiguration block and is never clamped:\n\n\tts->max_touch_num = ts->config[MAX_CONTACTS_LOC] & 0x0f;\n\nThe nibble can be 0..15, so a malfunctioning, malicious or counterfeit\ncontroller (or an attacker tampering with the I2C bus) can advertise up\nto 15 contacts. goodix_ts_read_input_report() then accepts a touch_num\nof up to 15 and the second goodix_i2c_read() writes\nts->contact_size * (touch_num - 1) bytes past the one-contact header into\npoint_data - up to 30 bytes (45 with the 9-byte report format) beyond the\n92-byte buffer: a stack out-of-bounds write.\n\nClamp max_touch_num to GOODIX_MAX_CONTACTS, the number of contacts\npoint_data[] is sized for, when reading it from the configuration.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-25 10:17:07","updated_at":"2026-07-30 15:00:27"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/46addbd13dbf4aacb71cfbca964a5e552d0f45ae","name":"https://git.kernel.org/stable/c/46addbd13dbf4aacb71cfbca964a5e552d0f45ae","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/719d1a2c83a46be6bf81af905e4f6adb3d32dc28","name":"https://git.kernel.org/stable/c/719d1a2c83a46be6bf81af905e4f6adb3d32dc28","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5ed62a96e06be4e94b8296b7932afee550a70e04","name":"https://git.kernel.org/stable/c/5ed62a96e06be4e94b8296b7932afee550a70e04","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3b32303460155603d25444274856013d211d5e1f","name":"https://git.kernel.org/stable/c/3b32303460155603d25444274856013d211d5e1f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2a67668690129953e898923260a2dd1c7c196495","name":"https://git.kernel.org/stable/c/2a67668690129953e898923260a2dd1c7c196495","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/98b2caef249183b572c04451365246f919707845","name":"https://git.kernel.org/stable/c/98b2caef249183b572c04451365246f919707845","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4bfea9c3a0981c1c7fc5d1a1b27197b2de247902","name":"https://git.kernel.org/stable/c/4bfea9c3a0981c1c7fc5d1a1b27197b2de247902","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e825f352ef5271255cd08cc994b0dc25648a2f38","name":"https://git.kernel.org/stable/c/e825f352ef5271255cd08cc994b0dc25648a2f38","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64274","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64274","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a7ac7c95d4682883d141c5d7a7544d2818f0a09f e825f352ef5271255cd08cc994b0dc25648a2f38 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a7ac7c95d4682883d141c5d7a7544d2818f0a09f 4bfea9c3a0981c1c7fc5d1a1b27197b2de247902 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a7ac7c95d4682883d141c5d7a7544d2818f0a09f 98b2caef249183b572c04451365246f919707845 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a7ac7c95d4682883d141c5d7a7544d2818f0a09f 719d1a2c83a46be6bf81af905e4f6adb3d32dc28 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a7ac7c95d4682883d141c5d7a7544d2818f0a09f 46addbd13dbf4aacb71cfbca964a5e552d0f45ae git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a7ac7c95d4682883d141c5d7a7544d2818f0a09f 3b32303460155603d25444274856013d211d5e1f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a7ac7c95d4682883d141c5d7a7544d2818f0a09f 2a67668690129953e898923260a2dd1c7c196495 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a7ac7c95d4682883d141c5d7a7544d2818f0a09f 5ed62a96e06be4e94b8296b7932afee550a70e04 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.261 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.212 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.96 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.39 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.4 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"64274","cve":"CVE-2026-64274","epss":"0.002110000","percentile":"0.114320000","score_date":"2026-08-03","updated_at":"2026-08-04 00:07:35"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/input/touchscreen/goodix.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e825f352ef5271255cd08cc994b0dc25648a2f38","status":"affected","version":"a7ac7c95d4682883d141c5d7a7544d2818f0a09f","versionType":"git"},{"lessThan":"4bfea9c3a0981c1c7fc5d1a1b27197b2de247902","status":"affected","version":"a7ac7c95d4682883d141c5d7a7544d2818f0a09f","versionType":"git"},{"lessThan":"98b2caef249183b572c04451365246f919707845","status":"affected","version":"a7ac7c95d4682883d141c5d7a7544d2818f0a09f","versionType":"git"},{"lessThan":"719d1a2c83a46be6bf81af905e4f6adb3d32dc28","status":"affected","version":"a7ac7c95d4682883d141c5d7a7544d2818f0a09f","versionType":"git"},{"lessThan":"46addbd13dbf4aacb71cfbca964a5e552d0f45ae","status":"affected","version":"a7ac7c95d4682883d141c5d7a7544d2818f0a09f","versionType":"git"},{"lessThan":"3b32303460155603d25444274856013d211d5e1f","status":"affected","version":"a7ac7c95d4682883d141c5d7a7544d2818f0a09f","versionType":"git"},{"lessThan":"2a67668690129953e898923260a2dd1c7c196495","status":"affected","version":"a7ac7c95d4682883d141c5d7a7544d2818f0a09f","versionType":"git"},{"lessThan":"5ed62a96e06be4e94b8296b7932afee550a70e04","status":"affected","version":"a7ac7c95d4682883d141c5d7a7544d2818f0a09f","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/input/touchscreen/goodix.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.1"},{"lessThan":"4.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.261","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.96","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.39","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.261","versionStartIncluding":"4.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"4.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"4.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"4.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.96","versionStartIncluding":"4.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.39","versionStartIncluding":"4.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.4","versionStartIncluding":"4.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"4.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: goodix - clamp the device-reported contact count\n\ngoodix_ts_read_input_report() copies the number of touch points reported\nby the device into an on-stack buffer\n\n\tu8 point_data[2 + GOODIX_MAX_CONTACT_SIZE * GOODIX_MAX_CONTACTS];\n\nwhich is sized for at most GOODIX_MAX_CONTACTS (10) contacts. The only\nruntime check bounds the per-interrupt count against ts->max_touch_num,\nbut that value is taken verbatim from a 4-bit field of the device\nconfiguration block and is never clamped:\n\n\tts->max_touch_num = ts->config[MAX_CONTACTS_LOC] & 0x0f;\n\nThe nibble can be 0..15, so a malfunctioning, malicious or counterfeit\ncontroller (or an attacker tampering with the I2C bus) can advertise up\nto 15 contacts. goodix_ts_read_input_report() then accepts a touch_num\nof up to 15 and the second goodix_i2c_read() writes\nts->contact_size * (touch_num - 1) bytes past the one-contact header into\npoint_data - up to 30 bytes (45 with the 9-byte report format) beyond the\n92-byte buffer: a stack out-of-bounds write.\n\nClamp max_touch_num to GOODIX_MAX_CONTACTS, the number of contacts\npoint_data[] is sized for, when reading it from the configuration."}],"providerMetadata":{"dateUpdated":"2026-07-25T08:49:20.040Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e825f352ef5271255cd08cc994b0dc25648a2f38"},{"url":"https://git.kernel.org/stable/c/4bfea9c3a0981c1c7fc5d1a1b27197b2de247902"},{"url":"https://git.kernel.org/stable/c/98b2caef249183b572c04451365246f919707845"},{"url":"https://git.kernel.org/stable/c/719d1a2c83a46be6bf81af905e4f6adb3d32dc28"},{"url":"https://git.kernel.org/stable/c/46addbd13dbf4aacb71cfbca964a5e552d0f45ae"},{"url":"https://git.kernel.org/stable/c/3b32303460155603d25444274856013d211d5e1f"},{"url":"https://git.kernel.org/stable/c/2a67668690129953e898923260a2dd1c7c196495"},{"url":"https://git.kernel.org/stable/c/5ed62a96e06be4e94b8296b7932afee550a70e04"}],"title":"Input: goodix - clamp the device-reported contact count","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64274","datePublished":"2026-07-25T08:49:20.040Z","dateReserved":"2026-07-19T15:36:31.776Z","dateUpdated":"2026-07-25T08:49:20.040Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-25 10:17:07","lastModifiedDate":"2026-07-30 15:00:27","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64274","Ordinal":"1","Title":"Input: goodix - clamp the device-reported contact count","CVE":"CVE-2026-64274","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64274","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: goodix - clamp the device-reported contact count\n\ngoodix_ts_read_input_report() copies the number of touch points reported\nby the device into an on-stack buffer\n\n\tu8 point_data[2 + GOODIX_MAX_CONTACT_SIZE * GOODIX_MAX_CONTACTS];\n\nwhich is sized for at most GOODIX_MAX_CONTACTS (10) contacts. The only\nruntime check bounds the per-interrupt count against ts->max_touch_num,\nbut that value is taken verbatim from a 4-bit field of the device\nconfiguration block and is never clamped:\n\n\tts->max_touch_num = ts->config[MAX_CONTACTS_LOC] & 0x0f;\n\nThe nibble can be 0..15, so a malfunctioning, malicious or counterfeit\ncontroller (or an attacker tampering with the I2C bus) can advertise up\nto 15 contacts. goodix_ts_read_input_report() then accepts a touch_num\nof up to 15 and the second goodix_i2c_read() writes\nts->contact_size * (touch_num - 1) bytes past the one-contact header into\npoint_data - up to 30 bytes (45 with the 9-byte report format) beyond the\n92-byte buffer: a stack out-of-bounds write.\n\nClamp max_touch_num to GOODIX_MAX_CONTACTS, the number of contacts\npoint_data[] is sized for, when reading it from the configuration.","Type":"Description","Title":"Input: goodix - clamp the device-reported contact count"}]}}}