{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-63908","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-07-19T07:54:57.020Z","datePublished":"2026-07-19T14:55:14.349Z","dateUpdated":"2026-07-19T14:55:14.349Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-07-19T14:55:14.349Z"},"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 >=."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/input/touchscreen/atmel_mxt_ts.c"],"versions":[{"version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","lessThan":"862a1a32b5190241fce7a7d20229539a3926f31e","status":"affected","versionType":"git"},{"version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","lessThan":"5c3681c3abc35cfac6b702251382312c60d96bc2","status":"affected","versionType":"git"},{"version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","lessThan":"1017e1c6c6c49cccbcda9bbcfa49e50b0b6dad39","status":"affected","versionType":"git"},{"version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","lessThan":"e9b62996ba537774f68fecfd7eecb5aec1713952","status":"affected","versionType":"git"},{"version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","lessThan":"ae92e334544263a02d9f99e18385e718c44392c9","status":"affected","versionType":"git"},{"version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","lessThan":"7f95f4792c0dc767fcb8e405391e779ab419d55a","status":"affected","versionType":"git"},{"version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","lessThan":"6c6b989b4ebf22b086fdfcac2163b5cb55e34d8f","status":"affected","versionType":"git"},{"version":"50a77c658b80e7e3303e3bcec195b30e2b62d513","lessThan":"baa0210fb6a9dc3882509a9411b6d284d88fe30e","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/touchscreen/atmel_mxt_ts.c"],"versions":[{"version":"3.17","status":"affected"},{"version":"0","lessThan":"3.17","status":"unaffected","versionType":"semver"},{"version":"5.10.259","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.210","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.176","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.143","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.93","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.35","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.12","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","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":"3.17","versionEndExcluding":"5.10.259"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.15.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"6.1.176"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"6.6.143"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"6.12.93"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"6.18.35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"7.0.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"7.1"}]}]}],"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"}}}}