102 matches found
CVE-2025-40125 blk-mq: check kobject state_in_sysfs before deleting in blk_mq_unregister_hctx
In the Linux kernel, the following vulnerability has been resolved: blk-mq: check kobject stateinsysfs before deleting in blkmqunregisterhctx In blkmqupdatenrhwqueues the return value of blkmqsysfsregisterhctxs is not checked. If sysfs creation for hctx fails, later changing the number of hwqueue...
CVE-2025-40125
In the Linux kernel, the following vulnerability has been resolved: blk-mq: check kobject stateinsysfs before deleting in blkmqunregisterhctx In blkmqupdatenrhwqueues the return value of blkmqsysfsregisterhctxs is not checked. If sysfs creation for hctx fails, later changing the number of hwqueue...
Linux Distros Unpatched Vulnerability : CVE-2025-40125
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - blk-mq: check kobject stateinsysfs before deleting in blkmqunregisterhctx In blkmqupdatenrhwqueues the return value of blkmqsysfsregisterhctxs is not checked. I...
OESA-2025-2534 kernel security update
The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix NULL dereference on q-elevator in blkmqelvswitchnone After grabbing q-sysfslock, q-elevator may become NULL because of elevator switch. Fix the NULL...
SUSE CVE-2025-39999
In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix blkmqtags double free while nrrequests grown In the case user trigger tags grow by queue sysfs attribute nrrequests, hctx-schedtags will be freed directly and replaced with a new allocated tags, see blkmqtagupdatedept...
EUVD-2025-34574
In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix blkmqtags double free while nrrequests grown In the case user trigger tags grow by queue sysfs attribute nrrequests, hctx-schedtags will be freed directly and replaced with a new allocated tags, see blkmqtagupdatedept...
CVE-2025-39999
The CVE-2025-39999 issue affects the Linux kernel’s blk-mq path, where tags growth via the sysfs nr_requests attribute can lead to a double free: hctx->sched_tags is freed while et->tags (the allocated tags) has already been freed, risking a kernel panic during elevator exit. The documented...
SUSE CVE-2022-50552
In the Linux kernel, the following vulnerability has been resolved: blk-mq: use quiesced elevator switch when reinitializing queues The hctx's runwork may be racing with the elevator switch when reinitializing hardware queues. The queue is merely frozen in this context, but that only prevents...
CVE-2022-50554
In the Linux kernel, the following vulnerability has been resolved: blk-mq: avoid double -queuerq because of early timeout David Jeffery found one double -queuerq issue, so far it can be triggered in VM use case because of long vmexit latency or preempt latency of vCPU pthread or long page fault ...
CVE-2022-50530
In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix null pointer dereference in blkmqclearrqmapping Our syzkaller report a null pointer dereference, root cause is following: blkmqallocmapandrqs set-tagshctxidx = blkmqallocmapandrqs blkmqallocmapandrqs blkmqallocrqs //...
UBUNTU-CVE-2022-50530
In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix null pointer dereference in blkmqclearrqmapping Our syzkaller report a null pointer dereference, root cause is following: blkmqallocmapandrqs set-tagshctxidx = blkmqallocmapandrqs blkmqallocmapandrqs blkmqallocrqs //...
UBUNTU-CVE-2022-50552
In the Linux kernel, the following vulnerability has been resolved: blk-mq: use quiesced elevator switch when reinitializing queues The hctx's runwork may be racing with the elevator switch when reinitializing hardware queues. The queue is merely frozen in this context, but that only prevents...
CVE-2022-50554
In the Linux kernel, the following vulnerability has been resolved: blk-mq: avoid double -queuerq because of early timeout David Jeffery found one double -queuerq issue, so far it can be triggered in VM use case because of long vmexit latency or preempt latency of vCPU pthread or long page fault ...
EUVD-2025-32804
In the Linux kernel, the following vulnerability has been resolved: blk-mq: use quiesced elevator switch when reinitializing queues The hctx's runwork may be racing with the elevator switch when reinitializing hardware queues. The queue is merely frozen in this context, but that only prevents...
CVE-2022-50552
In the Linux kernel, the following vulnerability has been resolved: blk-mq: use quiesced elevator switch when reinitializing queues The hctx's runwork may be racing with the elevator switch when reinitializing hardware queues. The queue is merely frozen in this context, but that only prevents...
CVE-2022-50552 blk-mq: use quiesced elevator switch when reinitializing queues
In the Linux kernel, the following vulnerability has been resolved: blk-mq: use quiesced elevator switch when reinitializing queues The hctx's runwork may be racing with the elevator switch when reinitializing hardware queues. The queue is merely frozen in this context, but that only prevents...
CVE-2022-50530 blk-mq: fix null pointer dereference in blk_mq_clear_rq_mapping()
In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix null pointer dereference in blkmqclearrqmapping Our syzkaller report a null pointer dereference, root cause is following: blkmqallocmapandrqs set-tagshctxidx = blkmqallocmapandrqs blkmqallocmapandrqs blkmqallocrqs //...
PT-2025-41035
Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the block I/O queue management code. Specifically, a null pointer dereference can occur within the blk mq clear rq mapping function. This issue arises...