{"id":"CVE-2026-72479","state":"PUBLISHED","title":"iio: accel: mma8452: handle I2C read error(s) in mma8452_read()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: mma8452: handle I2C read error(s) in mma8452_read()\n\nCurrently, If i2c_smbus_read_i2c_block_data() fails but\nmma8452_set_runtime_pm_state() succeeds, mma8452_read() returns 0.\n\nAs a result, the caller mma8452_read_raw() assumes the read was\nsuccessful and proceeds to use a buffer containing uninitialized\nstack memory.\n\nAdd proper checking of the I2C read return value and propagate errors\nto the caller.","publishedAt":"2026-08-15T05:57:18.324Z","updatedAt":"2026-08-17T05:15:29.198Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"b488055e81d9faaaf2f8aaff45f9944040ac4493","versionType":"git"},{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"f9ec3f3e9cf27dd06cd3725eeaa44e3ce46be893","versionType":"git"},{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"b4932fc325e84a3233413daf230b043818c8a824","versionType":"git"},{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"eed69f8a10b82989ad732ace0fb43a9fb4e7fe35","versionType":"git"},{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"f3d905ea1e4996d933074481e80d96ecd74a9904","versionType":"git"},{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"1cddef80a180af74c33d2f26c962ce92b60fded4","versionType":"git"},{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"f3d413e701c5e54bef736b638967724dda880365","versionType":"git"},{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"5bdff291d20c31b365d9ddfe9c426fbfb41da5bb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/accel/mma8452.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.7","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","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/mma8452.c"]}],"references":["https://git.kernel.org/stable/c/b488055e81d9faaaf2f8aaff45f9944040ac4493","https://git.kernel.org/stable/c/f9ec3f3e9cf27dd06cd3725eeaa44e3ce46be893","https://git.kernel.org/stable/c/b4932fc325e84a3233413daf230b043818c8a824","https://git.kernel.org/stable/c/eed69f8a10b82989ad732ace0fb43a9fb4e7fe35","https://git.kernel.org/stable/c/f3d905ea1e4996d933074481e80d96ecd74a9904","https://git.kernel.org/stable/c/1cddef80a180af74c33d2f26c962ce92b60fded4","https://git.kernel.org/stable/c/f3d413e701c5e54bef736b638967724dda880365","https://git.kernel.org/stable/c/5bdff291d20c31b365d9ddfe9c426fbfb41da5bb"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72479.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72479","state":"PUBLISHED","datePublished":"2026-08-15T05:57:18.324Z","dateUpdated":"2026-08-17T05:15:29.198Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.935Z"},"containers":{"cna":{"title":"iio: accel: mma8452: handle I2C read error(s) in mma8452_read()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: mma8452: handle I2C read error(s) in mma8452_read()\n\nCurrently, If i2c_smbus_read_i2c_block_data() fails but\nmma8452_set_runtime_pm_state() succeeds, mma8452_read() returns 0.\n\nAs a result, the caller mma8452_read_raw() assumes the read was\nsuccessful and proceeds to use a buffer containing uninitialized\nstack memory.\n\nAdd proper checking of the I2C read return value and propagate errors\nto the caller."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"b488055e81d9faaaf2f8aaff45f9944040ac4493","versionType":"git"},{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"f9ec3f3e9cf27dd06cd3725eeaa44e3ce46be893","versionType":"git"},{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"b4932fc325e84a3233413daf230b043818c8a824","versionType":"git"},{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"eed69f8a10b82989ad732ace0fb43a9fb4e7fe35","versionType":"git"},{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"f3d905ea1e4996d933074481e80d96ecd74a9904","versionType":"git"},{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"1cddef80a180af74c33d2f26c962ce92b60fded4","versionType":"git"},{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"f3d413e701c5e54bef736b638967724dda880365","versionType":"git"},{"version":"96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8","status":"affected","lessThan":"5bdff291d20c31b365d9ddfe9c426fbfb41da5bb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/accel/mma8452.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.7","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","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/mma8452.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b488055e81d9faaaf2f8aaff45f9944040ac4493"},{"url":"https://git.kernel.org/stable/c/f9ec3f3e9cf27dd06cd3725eeaa44e3ce46be893"},{"url":"https://git.kernel.org/stable/c/b4932fc325e84a3233413daf230b043818c8a824"},{"url":"https://git.kernel.org/stable/c/eed69f8a10b82989ad732ace0fb43a9fb4e7fe35"},{"url":"https://git.kernel.org/stable/c/f3d905ea1e4996d933074481e80d96ecd74a9904"},{"url":"https://git.kernel.org/stable/c/1cddef80a180af74c33d2f26c962ce92b60fded4"},{"url":"https://git.kernel.org/stable/c/f3d413e701c5e54bef736b638967724dda880365"},{"url":"https://git.kernel.org/stable/c/5bdff291d20c31b365d9ddfe9c426fbfb41da5bb"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:15:29.198Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.10.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}