{"id":"CVE-2026-98660","state":"PUBLISHED","title":"iio: pressure: bmp280: fix out-of-bounds access in sampling frequency lookup","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: pressure: bmp280: fix out-of-bounds access in sampling frequency lookup\n\nThe sampling frequency tables store each frequency as an integer part and\na fractional part in micro units. num_sampling_freq_avail is initialized\nto the number of flattened integer elements because read_avail() returns\nthe table as a flat array.\n\nbmp280_write_sampling_frequency(), however, indexes the same table as a\ntwo-dimensional array and uses num_sampling_freq_avail as the number of\nrows. Convert the flattened element count back to the number of rows\nbefore iterating over the table.","publishedAt":"2026-10-18T15:44:19.707Z","updatedAt":"2026-10-30T12:38:30.274Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"10b40ffba2f95cdeed47b731c5ad5ecc73e140e8","status":"affected","lessThan":"fed876157271fc4bc28b8739ad73642553a5920e","versionType":"git"},{"version":"10b40ffba2f95cdeed47b731c5ad5ecc73e140e8","status":"affected","lessThan":"05ef1af381a0f4556c7e3c0dc6bc2428d16c707e","versionType":"git"},{"version":"10b40ffba2f95cdeed47b731c5ad5ecc73e140e8","status":"affected","lessThan":"9db6684fab228edd3b8861a172ccbce3236f027a","versionType":"git"},{"version":"10b40ffba2f95cdeed47b731c5ad5ecc73e140e8","status":"affected","lessThan":"4fd5a61e61d6899cbd45728a5fceba49a53c222d","versionType":"git"},{"version":"10b40ffba2f95cdeed47b731c5ad5ecc73e140e8","status":"affected","lessThan":"7dbb518f3328ebd9d5c6e970b4befad6deb5c7f1","versionType":"git"},{"version":"10b40ffba2f95cdeed47b731c5ad5ecc73e140e8","status":"affected","lessThan":"56c423b233b214182c58c99861899327b45b0d6c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/pressure/bmp280-core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","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/pressure/bmp280-core.c"]}],"references":["https://git.kernel.org/stable/c/fed876157271fc4bc28b8739ad73642553a5920e","https://git.kernel.org/stable/c/05ef1af381a0f4556c7e3c0dc6bc2428d16c707e","https://git.kernel.org/stable/c/9db6684fab228edd3b8861a172ccbce3236f027a","https://git.kernel.org/stable/c/4fd5a61e61d6899cbd45728a5fceba49a53c222d","https://git.kernel.org/stable/c/7dbb518f3328ebd9d5c6e970b4befad6deb5c7f1","https://git.kernel.org/stable/c/56c423b233b214182c58c99861899327b45b0d6c"],"weaknesses":[],"ingestedAt":"2026-10-30T12:58:04.520Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98660.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98660","state":"PUBLISHED","datePublished":"2026-10-18T15:44:19.707Z","dateUpdated":"2026-10-30T12:38:30.274Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.362Z"},"containers":{"cna":{"title":"iio: pressure: bmp280: fix out-of-bounds access in sampling frequency lookup","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: pressure: bmp280: fix out-of-bounds access in sampling frequency lookup\n\nThe sampling frequency tables store each frequency as an integer part and\na fractional part in micro units. num_sampling_freq_avail is initialized\nto the number of flattened integer elements because read_avail() returns\nthe table as a flat array.\n\nbmp280_write_sampling_frequency(), however, indexes the same table as a\ntwo-dimensional array and uses num_sampling_freq_avail as the number of\nrows. Convert the flattened element count back to the number of rows\nbefore iterating over the table."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"10b40ffba2f95cdeed47b731c5ad5ecc73e140e8","status":"affected","lessThan":"fed876157271fc4bc28b8739ad73642553a5920e","versionType":"git"},{"version":"10b40ffba2f95cdeed47b731c5ad5ecc73e140e8","status":"affected","lessThan":"05ef1af381a0f4556c7e3c0dc6bc2428d16c707e","versionType":"git"},{"version":"10b40ffba2f95cdeed47b731c5ad5ecc73e140e8","status":"affected","lessThan":"9db6684fab228edd3b8861a172ccbce3236f027a","versionType":"git"},{"version":"10b40ffba2f95cdeed47b731c5ad5ecc73e140e8","status":"affected","lessThan":"4fd5a61e61d6899cbd45728a5fceba49a53c222d","versionType":"git"},{"version":"10b40ffba2f95cdeed47b731c5ad5ecc73e140e8","status":"affected","lessThan":"7dbb518f3328ebd9d5c6e970b4befad6deb5c7f1","versionType":"git"},{"version":"10b40ffba2f95cdeed47b731c5ad5ecc73e140e8","status":"affected","lessThan":"56c423b233b214182c58c99861899327b45b0d6c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/pressure/bmp280-core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","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/pressure/bmp280-core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/fed876157271fc4bc28b8739ad73642553a5920e"},{"url":"https://git.kernel.org/stable/c/05ef1af381a0f4556c7e3c0dc6bc2428d16c707e"},{"url":"https://git.kernel.org/stable/c/9db6684fab228edd3b8861a172ccbce3236f027a"},{"url":"https://git.kernel.org/stable/c/4fd5a61e61d6899cbd45728a5fceba49a53c222d"},{"url":"https://git.kernel.org/stable/c/7dbb518f3328ebd9d5c6e970b4befad6deb5c7f1"},{"url":"https://git.kernel.org/stable/c/56c423b233b214182c58c99861899327b45b0d6c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:38:30.274Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.12.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.18.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}