Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
c14edb4d0bdc53f969ea84c7f384472c28b1a9f8 to < ff8d3c088b77b11782f2c3b97e37425be050e8deaffectedc14edb4d0bdc53f969ea84c7f384472c28b1a9f8 to < fe1a7f99e72ebd2880515332b79b8c256be22acaaffectedc14edb4d0bdc53f969ea84c7f384472c28b1a9f8 to < babf1943a40bb5669db57d30ca16c22504b18e07affectedc14edb4d0bdc53f969ea84c7f384472c28b1a9f8 to < d42ac0bfb6a16617c62a59d53706579c7fadbfa6affectedc14edb4d0bdc53f969ea84c7f384472c28b1a9f8 to < 3147b303b8c7d9f91da4b849ece33b45048f5eafaffectedc14edb4d0bdc53f969ea84c7f384472c28b1a9f8 to < e6bb3a49c5f9de870ea95e69775df785728e3366affectedc14edb4d0bdc53f969ea84c7f384472c28b1a9f8 to < 890d0312d5f94be43eac21f5a34d3bccc60d051baffectedc14edb4d0bdc53f969ea84c7f384472c28b1a9f8 to < c9d8e9adaa63150ef7e833480b799d0bab83a276affecteda42ca3b182ccb766666a0be1053921cba190e2deaffected5.9.5 to < 5.10affected
Linux Linux
Default version status: affected
5.10affected0 to < 5.10unaffected5.10.259 to ≤ 5.10.*unaffected5.15.210 to ≤ 5.15.*unaffected6.1.176 to ≤ 6.1.*unaffected6.6.143 to ≤ 6.6.*unaffected6.12.93 to ≤ 6.12.*unaffected6.18.35 to ≤ 6.18.*unaffected7.0.12 to ≤ 7.0.*unaffected7.1 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/ff8d3c088b77b11782f2c3b97e37425be050e8de ↗
- https://git.kernel.org/stable/c/fe1a7f99e72ebd2880515332b79b8c256be22aca ↗
- https://git.kernel.org/stable/c/babf1943a40bb5669db57d30ca16c22504b18e07 ↗
- https://git.kernel.org/stable/c/d42ac0bfb6a16617c62a59d53706579c7fadbfa6 ↗
- https://git.kernel.org/stable/c/3147b303b8c7d9f91da4b849ece33b45048f5eaf ↗
- https://git.kernel.org/stable/c/e6bb3a49c5f9de870ea95e69775df785728e3366 ↗
- https://git.kernel.org/stable/c/890d0312d5f94be43eac21f5a34d3bccc60d051b ↗
- https://git.kernel.org/stable/c/c9d8e9adaa63150ef7e833480b799d0bab83a276 ↗