In the Linux kernel, the following vulnerability has been resolved:
iio: imu: st_lsm6dsx: fix stack leak in tagged FIFO buffer
The tagged FIFO path declares iio_buff on the stack with __aligned(8) but no initializer, but there is a hole in the structure, which will then leak to userspace as ST_LSM6DSX_SAMPLE_SIZE bytes (6) will be copied, but the space between that and the timestamp are not initialized.
Commit c14edb4d0bdc ("iio:imu:st_lsm6dsx Fix alignment and data leak issues") moved the untagged FIFO path to a kzalloc'd buffer in hw->scan, but for the tagged path it only added the alignment qualifier and not the initializer :(
Fix this by just zero-initializing the structure on the stack.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 20, 2026 | Jul 20, 2026 |
| Redhat_linux | — | — | Jul 23, 2026 | Jul 19, 2026 |
| Ubuntu | — | Upgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-nvidia-bos-7.0Upgrade linux-image-gcp-64kUpgrade linux-image-raspi-7.0Upgrade linux-image-aws-7.0Upgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-7.0.0-1010-azureUpgrade linux-image-7.0.0-2016-nvidia-bos-64kUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-7.0.0-1014-azureUpgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-nvidia-7.0Upgrade linux-image-7.0.0-1015-raspiUpgrade linux-image-aws-64k-7.0Upgrade linux-image-azureUpgrade linux-image-7.0.0-1009-aws-64kUpgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-raspiUpgrade linux-image-7.0.0-1008-oracle-64kUpgrade linux-image-nvidia-bosUpgrade linux-image-nvidia-64kUpgrade linux-image-nvidiaUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-nvidia-64k-7.0Upgrade linux-image-gcp-7.0Upgrade linux-image-7.0.0-1015-raspi-realtimeUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-7.0.0-1009-azure-fdeUpgrade linux-image-ibmUpgrade linux-image-azure-fdeUpgrade linux-image-gcpUpgrade linux-image-7.0.0-1008-oracleUpgrade linux-image-azure-7.0Upgrade linux-image-7.0.0-1010-ibmUpgrade linux-image-oracle-7.0Upgrade linux-image-oracle-64kUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-7.0.0-1009-awsUpgrade linux-image-raspi-realtimeUpgrade linux-image-ibm-7.0Upgrade linux-image-azure-fde-7.0Upgrade linux-image-aws-64kUpgrade linux-image-awsUpgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-oracle | Jul 21, 2026 | Jul 20, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 27, 2026 | Jul 19, 2026 |
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