{"id":"CVE-2025-71198","state":"PUBLISHED","title":"iio: imu: st_lsm6dsx: fix iio_chan_spec for sensors without event detection","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: imu: st_lsm6dsx: fix iio_chan_spec for sensors without event detection\n\nThe st_lsm6dsx_acc_channels array of struct iio_chan_spec has a non-NULL\nevent_spec field, indicating support for IIO events. However, event\ndetection is not supported for all sensors, and if userspace tries to\nconfigure accelerometer wakeup events on a sensor device that does not\nsupport them (e.g. LSM6DS0), st_lsm6dsx_write_event() dereferences a NULL\npointer when trying to write to the wakeup register.\nDefine an additional struct iio_chan_spec array whose members have a NULL\nevent_spec field, and use this array instead of st_lsm6dsx_acc_channels for\nsensors without event detection capability.","publishedAt":"2026-02-04T16:07:33.154Z","updatedAt":"2026-10-30T12:23:32.365Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b5969abfa8b8ed43ebd93479d394f664bd4a5a87","status":"affected","lessThan":"33c683417232b9111e29458954529942137780a3","versionType":"git"},{"version":"b5969abfa8b8ed43ebd93479d394f664bd4a5a87","status":"affected","lessThan":"7673167fac9323110973a3300637adba7d45de3a","versionType":"git"},{"version":"b5969abfa8b8ed43ebd93479d394f664bd4a5a87","status":"affected","lessThan":"4d60ffcdedfe2cdb68a1cde19bb292bc67451629","versionType":"git"},{"version":"b5969abfa8b8ed43ebd93479d394f664bd4a5a87","status":"affected","lessThan":"81ed6e42d6e555dd978c9dd5e3f7c20cb121221b","versionType":"git"},{"version":"b5969abfa8b8ed43ebd93479d394f664bd4a5a87","status":"affected","lessThan":"c34e2e2d67b3bb8d5a6d09b0d6dac845cdd13fb3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.5","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.122","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.68","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.8","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c"]}],"references":["https://git.kernel.org/stable/c/33c683417232b9111e29458954529942137780a3","https://git.kernel.org/stable/c/7673167fac9323110973a3300637adba7d45de3a","https://git.kernel.org/stable/c/4d60ffcdedfe2cdb68a1cde19bb292bc67451629","https://git.kernel.org/stable/c/81ed6e42d6e555dd978c9dd5e3f7c20cb121221b","https://git.kernel.org/stable/c/c34e2e2d67b3bb8d5a6d09b0d6dac845cdd13fb3"],"weaknesses":[],"ingestedAt":"2026-10-30T12:40:04.423Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/71xxx/CVE-2025-71198.json","commit":"db8103c5921aac81d5d90efcf3745980dafabf49","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71198","state":"PUBLISHED","datePublished":"2026-02-04T16:07:33.154Z","dateUpdated":"2026-10-30T12:23:32.365Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-31T11:36:51.192Z"},"containers":{"cna":{"title":"iio: imu: st_lsm6dsx: fix iio_chan_spec for sensors without event detection","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: imu: st_lsm6dsx: fix iio_chan_spec for sensors without event detection\n\nThe st_lsm6dsx_acc_channels array of struct iio_chan_spec has a non-NULL\nevent_spec field, indicating support for IIO events. However, event\ndetection is not supported for all sensors, and if userspace tries to\nconfigure accelerometer wakeup events on a sensor device that does not\nsupport them (e.g. LSM6DS0), st_lsm6dsx_write_event() dereferences a NULL\npointer when trying to write to the wakeup register.\nDefine an additional struct iio_chan_spec array whose members have a NULL\nevent_spec field, and use this array instead of st_lsm6dsx_acc_channels for\nsensors without event detection capability."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b5969abfa8b8ed43ebd93479d394f664bd4a5a87","status":"affected","lessThan":"33c683417232b9111e29458954529942137780a3","versionType":"git"},{"version":"b5969abfa8b8ed43ebd93479d394f664bd4a5a87","status":"affected","lessThan":"7673167fac9323110973a3300637adba7d45de3a","versionType":"git"},{"version":"b5969abfa8b8ed43ebd93479d394f664bd4a5a87","status":"affected","lessThan":"4d60ffcdedfe2cdb68a1cde19bb292bc67451629","versionType":"git"},{"version":"b5969abfa8b8ed43ebd93479d394f664bd4a5a87","status":"affected","lessThan":"81ed6e42d6e555dd978c9dd5e3f7c20cb121221b","versionType":"git"},{"version":"b5969abfa8b8ed43ebd93479d394f664bd4a5a87","status":"affected","lessThan":"c34e2e2d67b3bb8d5a6d09b0d6dac845cdd13fb3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.5","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.122","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.68","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.8","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/33c683417232b9111e29458954529942137780a3"},{"url":"https://git.kernel.org/stable/c/7673167fac9323110973a3300637adba7d45de3a"},{"url":"https://git.kernel.org/stable/c/4d60ffcdedfe2cdb68a1cde19bb292bc67451629"},{"url":"https://git.kernel.org/stable/c/81ed6e42d6e555dd978c9dd5e3f7c20cb121221b"},{"url":"https://git.kernel.org/stable/c/c34e2e2d67b3bb8d5a6d09b0d6dac845cdd13fb3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:23:32.365Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.6.122"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.12.68"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.18.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}