PT-2026-37554

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM x86 component where reading PDPTR registers in the get sregs2 function lacks proper SRCU read-side protection. Reading PDPTRs can trigger access to guest memor...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21791)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21791 advisory. - In the Linux kernel, the following vulnerability has been resolved: vrf: use RCU protection in l3mdevl3out...

Azure Linux 3.0 Security Update: kernel (CVE-2024-56703)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-56703 advisory. - In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix soft lockups in fib6selectpath...

Azure Linux 3.0 Security Update: kernel (CVE-2024-50005)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-50005 advisory. - In the Linux kernel, the following vulnerability has been resolved: mac802154: Fix potential RCU dereference...

Azure Linux 3.0 Security Update: kernel (CVE-2024-49980)

"The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-49980 advisory. - In the Linux kernel, the following vulnerability has been resolved: vrf: revert vrf: Remove unnecessary...

Azure Linux 3.0 Security Update: kernel (CVE-2025-37790)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-37790 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: mctp: Set SOCKRCUFREE Bind lookup...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21759)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21759 advisory. - In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: extend RCU protection in...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: TCP: Use dstdevrcu in tcpfastopenactivedisableofocheck. Use RCU to avoid a pair of atomic operations and a potential UAF on dstdev-flags...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Fixed potential use after free in otx2tcaddflow This code calls kfreercunewnode, rcu, then dereferences newnode, and then derefs it again in the next line. After two lines, a mutex is acquired; therefore, I don’t...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iouring/msgring: Ensure that the freeing of iokiocb is deferred to a later time for RCU. syzbot reports that deferring or localizing tasks involving taskworkadd via msgring can lead to a situation where a request that has already...

ROS-20260113-7340

A vulnerability in the void function of the kernel/rcu/tasks.h module of the synchronization subsystem in multithreaded systems of the Linux kernel is related to an operation exceeding buffer boundaries in memory. Exploitation of the vulnerability may allow an attacker to cause a denial of servic...

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

...

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...

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...

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 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

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...