{"api_version":"1","generated_at":"2026-07-23T18:52:56+00:00","cve":"CVE-2026-63908","urls":{"html":"https://cve.report/CVE-2026-63908","api":"https://cve.report/api/cve/CVE-2026-63908.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-63908","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63908"},"summary":{"title":"Input: atmel_mxt_ts - fix boundary check in mxt_prepare_cfg_mem","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: atmel_mxt_ts - fix boundary check in mxt_prepare_cfg_mem\n\nWhen a configuration file provides an object size that is larger than the\ndriver's known mxt_obj_size(object), the driver intends to discard the\nextra bytes.\n\nThe loop iterates using for (i = 0; i < size; i++). Inside the loop, the\ncondition to skip processing extra bytes is:\n\n    if (i > mxt_obj_size(object))\n        continue;\n\nSince i is a 0-based index, the valid indices for the object are 0 through\nmxt_obj_size(object) - 1.\n\nWhen i == mxt_obj_size(object), the condition evaluates to false, and the\ncode processes the byte instead of discarding it.\n\nThis causes the code to calculate byte_offset = reg + i - cfg->start_ofs\nand writes the byte there, overwriting exactly one byte of the adjacent\ninstance or object.\n\nUpdate the boundary check to skip extra bytes correctly by using >=.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:08","updated_at":"2026-07-19 16:17:08"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/baa0210fb6a9dc3882509a9411b6d284d88fe30e","name":"https://git.kernel.org/stable/c/baa0210fb6a9dc3882509a9411b6d284d88fe30e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5c3681c3abc35cfac6b702251382312c60d96bc2","name":"https://git.kernel.org/stable/c/5c3681c3abc35cfac6b702251382312c60d96bc2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7f95f4792c0dc767fcb8e405391e779ab419d55a","name":"https://git.kernel.org/stable/c/7f95f4792c0dc767fcb8e405391e779ab419d55a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e9b62996ba537774f68fecfd7eecb5aec1713952","name":"https://git.kernel.org/stable/c/e9b62996ba537774f68fecfd7eecb5aec1713952","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ae92e334544263a02d9f99e18385e718c44392c9","name":"https://git.kernel.org/stable/c/ae92e334544263a02d9f99e18385e718c44392c9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/862a1a32b5190241fce7a7d20229539a3926f31e","name":"https://git.kernel.org/stable/c/862a1a32b5190241fce7a7d20229539a3926f31e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6c6b989b4ebf22b086fdfcac2163b5cb55e34d8f","name":"https://git.kernel.org/stable/c/6c6b989b4ebf22b086fdfcac2163b5cb55e34d8f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1017e1c6c6c49cccbcda9bbcfa49e50b0b6dad39","name":"https://git.kernel.org/stable/c/1017e1c6c6c49cccbcda9bbcfa49e50b0b6dad39","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-63908","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63908","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 50a77c658b80e7e3303e3bcec195b30e2b62d513 862a1a32b5190241fce7a7d20229539a3926f31e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 50a77c658b80e7e3303e3bcec195b30e2b62d513 5c3681c3abc35cfac6b702251382312c60d96bc2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 50a77c658b80e7e3303e3bcec195b30e2b62d513 1017e1c6c6c49cccbcda9bbcfa49e50b0b6dad39 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 50a77c658b80e7e3303e3bcec195b30e2b62d513 e9b62996ba537774f68fecfd7eecb5aec1713952 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.210 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.176 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.143 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.93 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.35 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.12 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"63908","cve":"CVE-2026-63908","epss":"0.002100000","percentile":"0.113660000","score_date":"2026-07-20","updated_at":"2026-07-21 00:13:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/input/touchscreen/atmel_mxt_ts.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"862a1a32b5190241fce7a7d20229539a3926f31e","status":"affected","version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","versionType":"git"},{"lessThan":"5c3681c3abc35cfac6b702251382312c60d96bc2","status":"affected","version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","versionType":"git"},{"lessThan":"1017e1c6c6c49cccbcda9bbcfa49e50b0b6dad39","status":"affected","version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","versionType":"git"},{"lessThan":"e9b62996ba537774f68fecfd7eecb5aec1713952","status":"affected","version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","versionType":"git"},{"lessThan":"ae92e334544263a02d9f99e18385e718c44392c9","status":"affected","version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","versionType":"git"},{"lessThan":"7f95f4792c0dc767fcb8e405391e779ab419d55a","status":"affected","version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","versionType":"git"},{"lessThan":"6c6b989b4ebf22b086fdfcac2163b5cb55e34d8f","status":"affected","version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","versionType":"git"},{"lessThan":"baa0210fb6a9dc3882509a9411b6d284d88fe30e","status":"affected","version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/input/touchscreen/atmel_mxt_ts.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.17"},{"lessThan":"3.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.93","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.35","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.259","versionStartIncluding":"3.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.210","versionStartIncluding":"3.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.176","versionStartIncluding":"3.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.143","versionStartIncluding":"3.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.93","versionStartIncluding":"3.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.35","versionStartIncluding":"3.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.12","versionStartIncluding":"3.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"3.17","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: atmel_mxt_ts - fix boundary check in mxt_prepare_cfg_mem\n\nWhen a configuration file provides an object size that is larger than the\ndriver's known mxt_obj_size(object), the driver intends to discard the\nextra bytes.\n\nThe loop iterates using for (i = 0; i < size; i++). Inside the loop, the\ncondition to skip processing extra bytes is:\n\n    if (i > mxt_obj_size(object))\n        continue;\n\nSince i is a 0-based index, the valid indices for the object are 0 through\nmxt_obj_size(object) - 1.\n\nWhen i == mxt_obj_size(object), the condition evaluates to false, and the\ncode processes the byte instead of discarding it.\n\nThis causes the code to calculate byte_offset = reg + i - cfg->start_ofs\nand writes the byte there, overwriting exactly one byte of the adjacent\ninstance or object.\n\nUpdate the boundary check to skip extra bytes correctly by using >=."}],"providerMetadata":{"dateUpdated":"2026-07-19T14:55:14.349Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/862a1a32b5190241fce7a7d20229539a3926f31e"},{"url":"https://git.kernel.org/stable/c/5c3681c3abc35cfac6b702251382312c60d96bc2"},{"url":"https://git.kernel.org/stable/c/1017e1c6c6c49cccbcda9bbcfa49e50b0b6dad39"},{"url":"https://git.kernel.org/stable/c/e9b62996ba537774f68fecfd7eecb5aec1713952"},{"url":"https://git.kernel.org/stable/c/ae92e334544263a02d9f99e18385e718c44392c9"},{"url":"https://git.kernel.org/stable/c/7f95f4792c0dc767fcb8e405391e779ab419d55a"},{"url":"https://git.kernel.org/stable/c/6c6b989b4ebf22b086fdfcac2163b5cb55e34d8f"},{"url":"https://git.kernel.org/stable/c/baa0210fb6a9dc3882509a9411b6d284d88fe30e"}],"title":"Input: atmel_mxt_ts - fix boundary check in mxt_prepare_cfg_mem","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-63908","datePublished":"2026-07-19T14:55:14.349Z","dateReserved":"2026-07-19T07:54:57.020Z","dateUpdated":"2026-07-19T14:55:14.349Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:08","lastModifiedDate":"2026-07-19 16:17:08","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"63908","Ordinal":"1","Title":"Input: atmel_mxt_ts - fix boundary check in mxt_prepare_cfg_mem","CVE":"CVE-2026-63908","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"63908","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: atmel_mxt_ts - fix boundary check in mxt_prepare_cfg_mem\n\nWhen a configuration file provides an object size that is larger than the\ndriver's known mxt_obj_size(object), the driver intends to discard the\nextra bytes.\n\nThe loop iterates using for (i = 0; i < size; i++). Inside the loop, the\ncondition to skip processing extra bytes is:\n\n    if (i > mxt_obj_size(object))\n        continue;\n\nSince i is a 0-based index, the valid indices for the object are 0 through\nmxt_obj_size(object) - 1.\n\nWhen i == mxt_obj_size(object), the condition evaluates to false, and the\ncode processes the byte instead of discarding it.\n\nThis causes the code to calculate byte_offset = reg + i - cfg->start_ofs\nand writes the byte there, overwriting exactly one byte of the adjacent\ninstance or object.\n\nUpdate the boundary check to skip extra bytes correctly by using >=.","Type":"Description","Title":"Input: atmel_mxt_ts - fix boundary check in mxt_prepare_cfg_mem"}]}}}