CVE-2026-31733 sched_ext: Fix stale direct dispatch state in ddsp_dsq_id

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix stale direct dispatch state in ddspdsqid @p-scx.ddspdsqid can be left set non-SCXDSQINVALID triggering a spurious warning in markdirectdispatch when the next wakeup's ops.selectcpu calls scxbpfdsqinsert, such as:...

PT-2026-42453

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A kernel panic can occur in the Linux kernel when a Random Early Detection RED queueing discipline qdisc has children, such as a Fair Queueing FQ qdisc, whose peek callback is qdisc peek...

The vulnerability of the cake_dequeue() function in the net/sched/sch_cake.c module of the network scheduling subsystem in the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the cakedequeue function in the net/sched/schcake.c module of the network scheduling subsystem of the Linux operating system is related to the assignment of the NULL pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007585)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007585 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix null-deref in aggdequeue To prevent a potential crash in aggdequeue...

PT-2026-51973

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the network scheduler when cleaning up the deferred list via the qdisc run end function. If the root qdisc does not implement the TCQ F DEQUEUE DROPS flag, packet...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006663)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006663 advisory. In the Linux kernel, the following vulnerability has been resolved: sctp: clear outcurr if all frag chunks of current msg are pruned A crash was reported by Zhen Che...

The vulnerabilities of the functions cdns3_gadget_ep_enable() and cdns3_gadget_ep_dequeue() in the drivers/usb/cdns3/cdns3-gadget.c driver module of the Linux operating system’s USB device drivers allow a malicious actor to cause service failures.

The vulnerability of the cdns3gadgetepenable and cdns3gadgetepdequeue functions in the drivers/usb/cdns3/cdns3-gadget.c driver for USB device drivers in the Linux operating system is related to the use of pointers. Exploiting this vulnerability could allow an attacker to cause a service failure...

net: sched: avoid qdisc_reset_all_tx_gt() vs dequeue race for lockless qdiscs

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EUVD-2026-15307

In the Linux kernel, the following vulnerability has been resolved: net: sched: avoid qdiscresetalltxgt vs dequeue race for lockless qdiscs When shrinking the number of real tx queues, netifsetrealnumtxqueues calls qdiscresetalltxgt to flush qdiscs for queues which will no longer be used...

CVE-2026-23340 net: sched: avoid qdisc_reset_all_tx_gt() vs dequeue race for lockless qdiscs

In the Linux kernel, the following vulnerability has been resolved: net: sched: avoid qdiscresetalltxgt vs dequeue race for lockless qdiscs When shrinking the number of real tx queues, netifsetrealnumtxqueues calls qdiscresetalltxgt to flush qdiscs for queues which will no longer be used...

CVE-2026-23340

In the Linux kernel, the following vulnerability has been resolved: net: sched: avoid qdiscresetalltxgt vs dequeue race for lockless qdiscs When shrinking the number of real tx queues, netifsetrealnumtxqueues calls qdiscresetalltxgt to flush qdiscs for queues which will no longer be used...

CVE-2026-23340 net: sched: avoid qdisc_reset_all_tx_gt() vs dequeue race for lockless qdiscs

In the Linux kernel, the following vulnerability has been resolved: net: sched: avoid qdiscresetalltxgt vs dequeue race for lockless qdiscs When shrinking the number of real tx queues, netifsetrealnumtxqueues calls qdiscresetalltxgt to flush qdiscs for queues which will no longer be used...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a race condition between the qdiscresetalltxgt operation and the unlocked queue dequeue operation...

The vulnerability of the qdisc_dequeue_internal() function in the include/net/sch_generic.h module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the qdiscdequeueinternal function in the include/net/schgeneric.h module of the Linux kernel is related to buffer overflow attacks. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected informati...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005716)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005716 advisory. In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Do not double dequeue a configuration request Some of our devices crash in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005810)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005810 advisory. In the Linux kernel, the following vulnerability has been resolved: schhfsc: Fix qlen accounting bug when using peek in hfscenqueue When enqueuing the first packet t...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005458)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005458 advisory. In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Do not double dequeue a configuration request Some of our devices crash in...

kernel: Bluetooth: hci_sync: fix race in hci_cmd_sync_dequeue_once

A use-after-free flaw was found in hcicmdsyncdequeueonce in net/bluetooth/hcisync.c in Bluetooth: hcisync in Linux Kernel. This vulnerability could even lead to a kernel information leak problem...

CVE-2026-23074

In the Linux kernel, the following vulnerability has been resolved: net/sched: Enforce that teql can only be used as root qdisc Design intent of teql is that it is only supposed to be used as root qdisc. We need to check for that constraint. Although not important, I will describe the scenario th...

kernel: Bluetooth: hci_sync: fix race in hci_cmd_sync_dequeue_once

A use-after-free flaw was found in hcicmdsyncdequeueonce in net/bluetooth/hcisync.c in Bluetooth: hcisync in Linux Kernel. This vulnerability could even lead to a kernel information leak problem...