block: Use RCU in blk_mq_[un]quiesce_tagset() instead of set->tag_list_lock

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SUSE CVE-2025-68756

In the Linux kernel, the following vulnerability has been resolved: block: Use RCU in blkmqunquiescetagset instead of set-taglistlock blkmqadd,delqueuetagset functions add and remove queues from tagset, the functions make sure that tagset and queues are marked as shared when two or more queues ar...

CVE-2025-68756

In the Linux kernel, the following vulnerability has been resolved: block: Use RCU in blkmqunquiescetagset instead of set-taglistlock blkmqadd,delqueuetagset functions add and remove queues from tagset, the functions make sure that tagset and queues are marked as shared when two or more queues ar...

AZL-73421 CVE-2025-68756 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: block: Use RCU in blkmqunquiescetagset instead of set-taglistlock blkmqadd,delqueuetagset functions add and remove queues from tagset, the functions make sure that tagset and queues are marked as shared when two or more queues ar...

CVE-2025-68756

In the Linux kernel, the following vulnerability has been resolved: block: Use RCU in blkmqunquiescetagset instead of set-taglistlock blkmqadd,delqueuetagset functions add and remove queues from tagset, the functions make sure that tagset and queues are marked as shared when two or more queues ar...

UBUNTU-CVE-2025-68756

In the Linux kernel, the following vulnerability has been resolved: block: Use RCU in blkmqunquiescetagset instead of set-taglistlock blkmqadd,delqueuetagset functions add and remove queues from tagset, the functions make sure that tagset and queues are marked as shared when two or more queues ar...

CVE-2025-68756 block: Use RCU in blk_mq_[un]quiesce_tagset() instead of set->tag_list_lock

In the Linux kernel, the following vulnerability has been resolved: block: Use RCU in blkmqunquiescetagset instead of set-taglistlock blkmqadd,delqueuetagset functions add and remove queues from tagset, the functions make sure that tagset and queues are marked as shared when two or more queues ar...

CVE-2025-68756

In the Linux kernel, the following vulnerability has been resolved: block: Use RCU in blkmqunquiescetagset instead of set-taglistlock blkmqadd,delqueuetagset functions add and remove queues from tagset, the functions make sure that tagset and queues are marked as shared when two or more queues ar...

CVE-2025-68756 block: Use RCU in blk_mq_[un]quiesce_tagset() instead of set->tag_list_lock

In the Linux kernel, the following vulnerability has been resolved: block: Use RCU in blkmqunquiescetagset instead of set-taglistlock blkmqadd,delqueuetagset functions add and remove queues from tagset, the functions make sure that tagset and queues are marked as shared when two or more queues ar...

CVE-2025-68756

CVE-2025-68756 affects the Linux kernel block layer where blk_mq_[un]quiesce_tagset() and related tag-set management functions can deadlock when NVMe timeout handling and tagset changes interact on shared tagsets. The vulnerability arises because quiescing tagsets and freezing queues previously-r...

PT-2026-1244

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw related to tagset management within the block layer. Specifically, the blk mq unquiesce tagset functions, used for managing queues, were updated to use...

Linux Distros Unpatched Vulnerability : CVE-2025-68756

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - block: Use RCU in blkmqunquiescetagset instead of set-taglistlock blkmqadd,delqueuetagset functions add and remove queues from tagset, the functions make sure...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the use of set-taglistlock mutually exclusive locks by the blkmqquiescetagset and blkmqunquiescetagset...

PT-2026-27661

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference count leak exists in the SCSI core when tearing down the SCSI host. This leak can lead to a system hang. An example provided shows iscsid hanging with a specific call trace...

PT-2026-26121

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue where the admin tagset is not released if initialization fails during NVMe/FC controller creation. Specifically, the nvme fabrics component creates an...

EUVD-2022-54852

Malicious code in bioql PyPI...

OESA-2025-2082 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: don't touch -tagset in blkmqgetsqhctx blkmqrunhwqueues could be run when there isn't queued request and after queue is cleaned up, at that time tagset is...

OESA-2025-2081 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: don't touch -tagset in blkmqgetsqhctx blkmqrunhwqueues could be run when there isn't queued request and after queue is cleaned up, at that time tagset is...

kernel: blk-mq: don't touch ->tagset in blk_mq_get_sq_hctx

A use-after-free vulnerability was found in the blkmqgetsqhctx function in the Linux kernel's block multiqueue blk-mq subsystem. This issue occurs when the function accesses the tagset pointer to determine the current default hardware context through mapping. If this access occurs after the tagse...

kernel: blk-mq: don't touch ->tagset in blk_mq_get_sq_hctx

A use-after-free vulnerability was found in the blkmqgetsqhctx function in the Linux kernel's block multiqueue blk-mq subsystem. This issue occurs when the function accesses the tagset pointer to determine the current default hardware context through mapping. If this access occurs after the tagse...