CVE-2026-64232 block: recompute nr_integrity_segments in blk_insert_cloned_request

In the Linux kernel, the following vulnerability has been resolved: block: recompute nrintegritysegments in blkinsertclonedrequest blkinsertclonedrequest already recomputes nrphyssegments against the bottom queue, because "the queue settings related to segment counting may differ from the origina...

The vulnerability of the blk_mq_elv_switchnone() function in the block/blk-mq.c module, which supports the block-level kernel in the Linux operating system. This vulnerability allows an attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the blkmqelvswitchnone function in the block/blk-mq.c module, which supports the block-level kernel in the Linux operating system, is related to the assignment of a NULL pointer. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrit...

The vulnerability of the bio_integrity_prep() function in the block/bio-integrity-auto.c module, which supports the block-level kernel in the Linux operating system, allows a hacker to trigger a service failure.

The vulnerability of the biointegrityprep function in the block/bio-integrity-auto.c module, which supports the block-level kernel in the Linux operating system, relates to access to an uninitialized pointer. Exploiting this vulnerability could allow a attacker to cause a service failure...

kernel: block: don't allow the same type rq_qos add more than once

In the Linux kernel, the following vulnerability has been resolved: block: don't allow the same type rqqos add more than once In our test of iocost, we encountered some list add/del corruptions of innerwalk list in ioctimerfn. The reason can be described as follows: cpu 0 cpu 1 iocqoswrite...