CVE-2026-45890

In the Linux kernel, the following vulnerability has been resolved: xen-netback: reject zero-queue configuration from guest A malicious or buggy Xen guest can write "0" to the xenbus key "multi-queue-num-queues". The connect function in the backend only validates the upper bound requestednumqueue...

UBUNTU-CVE-2026-45890

In the Linux kernel, the following vulnerability has been resolved: xen-netback: reject zero-queue configuration from guest A malicious or buggy Xen guest can write "0" to the xenbus key "multi-queue-num-queues". The connect function in the backend only validates the upper bound requestednumqueue...

CVE-2026-46079 rbd: fix null-ptr-deref when device_add_disk() fails

In the Linux kernel, the following vulnerability has been resolved: rbd: fix null-ptr-deref when deviceadddisk fails dorbdadd publishes the device with deviceadd before calling deviceadddisk. If deviceadddisk fails after deviceadd succeeds, the error path calls rbdfreedisk directly and then later...

CVE-2026-45890

The CVE-2026-45890 issue affects the Linux kernel xen-netback in Xen environments. The backend validated the upper bound of multi-queue config but did not reject zero, allowing a guest to set multi-queue-num-queues to 0. This leads to vzalloc(array_size(0, sizeof(struct xenvif_queue))) and WARN_O...

CVE-2026-45890: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xen-netback: reject zero-queue configuration from guest A malicious or buggy Xen guest can write "0" to the xenbus key "multi-queue-num-queues". The connect function in the backend only validates the upper bound requestednumqueue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: blk-mq: The issue of tag leaks during the shrink nrhwqueues operation has been fixed. Although we don’t need to reallocate the set-tags array when performing shrink nrhwqueues, we still need to free those tags. Otherwise, these...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021572)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021572 advisory. 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...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021568)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021568 advisory. 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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013449)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013449 advisory. In the Linux kernel, the following vulnerability has been resolved: dm rq: don't queue request to blk-mq during DM suspend DM uses blk-mq's quiesce/unquiesce to...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010746)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010746 advisory. In the Linux kernel, the following vulnerability has been resolved: dm rq: don't queue request to blk-mq during DM suspend DM uses blk-mq's quiesce/unquiesce to...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013096)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013096 advisory. In the Linux kernel, the following vulnerability has been resolved: blk-mq: check kobject stateinsysfs before deleting in blkmqunregisterhctx In blkmqupdatenrhwqueue...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-010845)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010845 advisory. 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...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011029)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011029 advisory. In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix possible memleak when register 'hctx' failed There's issue as follows when do fault...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-007017)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007017 advisory. In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix possible memleak when register 'hctx' failed There's issue as follows when do fault...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-010748)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010748 advisory. In the Linux kernel, the following vulnerability has been resolved: blk-mq: cancel blk-mq dispatch work in both blkcleanupqueue and diskrelease For avoiding to slow...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007563)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007563 advisory. In the Linux kernel, the following vulnerability has been resolved: blk-mq: cancel blk-mq dispatch work in both blkcleanupqueue and diskrelease For avoiding to slow...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005663)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005663 advisory. In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix possible memleak when register 'hctx' failed There's issue as follows when do fault...

kernel: net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing

In the Linux kernel, the following vulnerability has been resolved: net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing TCAMQPRIOTCENTRYINDEX is validated using NLAPOLICYMAXNLAU32, TCQOPTMAXQUEUE, which allows the value TCQOPTMAXQUEUE 16. This leads to a 4-byte out-of-bounds stac...

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...