{"id":"CVE-2026-98835","state":"PUBLISHED","title":"iio: accel: kionix-kx022a: Fix array boundary check","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: kionix-kx022a: Fix array boundary check\n\nThe driver performs a sanity check for an array size, when converting a\nregister value to an array index. The check incorrectly accepts the\nsizeof(array) as a last index, when last valid index should be\nsizeof(array) - 1.\n\nFix the check by bailing out when index >= sizeof(array).","publishedAt":"2026-10-18T15:49:48.676Z","updatedAt":"2026-10-21T12:57:20.938Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7c1d1677b3227c6b18ac999f2b84778baa280b8f","status":"affected","lessThan":"714d8f0b1c616a6a82be87ccb72271b6092773d1","versionType":"git"},{"version":"7c1d1677b3227c6b18ac999f2b84778baa280b8f","status":"affected","lessThan":"87746be179dca4d94d73d5a323a39a87bb2e90fc","versionType":"git"},{"version":"7c1d1677b3227c6b18ac999f2b84778baa280b8f","status":"affected","lessThan":"4c73c1859fa64509aae7e23a6dbd2d5c8a64c05d","versionType":"git"},{"version":"7c1d1677b3227c6b18ac999f2b84778baa280b8f","status":"affected","lessThan":"22d377178de281d21ddf908d03a8e9fde3339d9f","versionType":"git"},{"version":"7c1d1677b3227c6b18ac999f2b84778baa280b8f","status":"affected","lessThan":"0e65412aee4f651d2c9785f542a13e4b44002a75","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/accel/kionix-kx022a.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.2","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/accel/kionix-kx022a.c"]}],"references":["https://git.kernel.org/stable/c/714d8f0b1c616a6a82be87ccb72271b6092773d1","https://git.kernel.org/stable/c/87746be179dca4d94d73d5a323a39a87bb2e90fc","https://git.kernel.org/stable/c/4c73c1859fa64509aae7e23a6dbd2d5c8a64c05d","https://git.kernel.org/stable/c/22d377178de281d21ddf908d03a8e9fde3339d9f","https://git.kernel.org/stable/c/0e65412aee4f651d2c9785f542a13e4b44002a75"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98835.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98835","state":"PUBLISHED","datePublished":"2026-10-18T15:49:48.676Z","dateUpdated":"2026-10-21T12:57:20.938Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.372Z"},"containers":{"cna":{"title":"iio: accel: kionix-kx022a: Fix array boundary check","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: kionix-kx022a: Fix array boundary check\n\nThe driver performs a sanity check for an array size, when converting a\nregister value to an array index. The check incorrectly accepts the\nsizeof(array) as a last index, when last valid index should be\nsizeof(array) - 1.\n\nFix the check by bailing out when index >= sizeof(array)."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7c1d1677b3227c6b18ac999f2b84778baa280b8f","status":"affected","lessThan":"714d8f0b1c616a6a82be87ccb72271b6092773d1","versionType":"git"},{"version":"7c1d1677b3227c6b18ac999f2b84778baa280b8f","status":"affected","lessThan":"87746be179dca4d94d73d5a323a39a87bb2e90fc","versionType":"git"},{"version":"7c1d1677b3227c6b18ac999f2b84778baa280b8f","status":"affected","lessThan":"4c73c1859fa64509aae7e23a6dbd2d5c8a64c05d","versionType":"git"},{"version":"7c1d1677b3227c6b18ac999f2b84778baa280b8f","status":"affected","lessThan":"22d377178de281d21ddf908d03a8e9fde3339d9f","versionType":"git"},{"version":"7c1d1677b3227c6b18ac999f2b84778baa280b8f","status":"affected","lessThan":"0e65412aee4f651d2c9785f542a13e4b44002a75","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/accel/kionix-kx022a.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.2","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/accel/kionix-kx022a.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/714d8f0b1c616a6a82be87ccb72271b6092773d1"},{"url":"https://git.kernel.org/stable/c/87746be179dca4d94d73d5a323a39a87bb2e90fc"},{"url":"https://git.kernel.org/stable/c/4c73c1859fa64509aae7e23a6dbd2d5c8a64c05d"},{"url":"https://git.kernel.org/stable/c/22d377178de281d21ddf908d03a8e9fde3339d9f"},{"url":"https://git.kernel.org/stable/c/0e65412aee4f651d2c9785f542a13e4b44002a75"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-21T12:57:20.938Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.12.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.18.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}