ROS-20260804-73-0005

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...

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...

blk_mq_elv_switchnone() Kernel Data Compromise

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...

Linux Kernel Heap Buffer Overflow DoS

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...

blk_mq_clear_rq_mapping Heap Buffer Overflow DoS

The vulnerability of the blkmqclearrqmapping function in the block/blk-mq.c module, which supports the block-level kernel in the Linux operating system, relates to the pointer manipulation. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

Linux block-level kernel Heap Buffer Overflow DoS

The vulnerability of the blkcgiolatencythrottle function in the block/blk-iolatency.c module, which supports the block-level kernel in Linux operating systems, is related to improper cleaning or release of resources. Exploiting this vulnerability can allow an attacker to cause service failures...

Linux kernel block-level support Buffer Overflow DoS

The vulnerability of the blkmqregisterhctx function in the block/blk-mq-sysfs.c module, which supports the block-level kernel in Linux operating systems, is related to improper memory release memory leak. Exploiting this vulnerability may allow an attacker to cause a system failure...

Linux block-zoned Heap Buffer Overflow DoS

The vulnerability of the diskDestroyZoneWPLugsHashTable function in the block/blk-zoned.c module, which supports the block-level kernel in the Linux operating system, is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a servi...

block/blk-cgroup Heap Buffer Overflow DoS

The vulnerability of the blkgconfprep function in the block/blk-cgroup.c module, which supports the block-level kernel in Linux operating systems, is related to the occurrence of mutual locking. Exploiting this vulnerability could allow a attacker to cause service failures...

Linux block-cgroup Heap Buffer Overflow DoS

The vulnerability of the blkcgactivatepolicy function in the block/blk-cgroup.c module, which supports the block-level kernel in the Linux operating system, is related to the pointer manipulation. Exploiting this vulnerability could allow an attacker to cause service failures...

Linux block/blk-zoned.c Heap Buffer Overflow DoS

The vulnerability of the diskzonewplughandleerror function in the block/blk-zoned.c module, which supports the block-level kernel in Linux operating systems, is related to incorrect resource locking. Exploiting this vulnerability could allow an attacker to cause service failures...

bfq_bfqq_move Heap Buffer Overflow DoS

The vulnerability of the bfqbfqqmove function in the block/bfq-cgroup.c module, which supports the block-level kernel in the Linux operating system, is related to the repeated use of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality,...

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...