Linux Distros Unpatched Vulnerability : CVE-2026-90325

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - blk-cgroup: skip dying blkg in blkcgactivatepolicy When switching IO schedulers on a block device, blkcgactivatepolicy can race with concurrent blkcg deletion,...

DEBIAN-CVE-2026-90326

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix race between policy activation and blkg destruction When switching an IO scheduler on a block device, blkcgactivatepolicy allocates blkgpolicydata pd for all blkgs attached to the queue. However, blkcgactivatepoli...

AZL-102774 CVE-2026-90326 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix race between policy activation and blkg destruction When switching an IO scheduler on a block device, blkcgactivatepolicy allocates blkgpolicydata pd for all blkgs attached to the queue. However, blkcgactivatepoli...

DEBIAN-CVE-2026-90325

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: skip dying blkg in blkcgactivatepolicy When switching IO schedulers on a block device, blkcgactivatepolicy can race with concurrent blkcg deletion, leading to a use-after-free in rcuacceleratecbs. T1: T2: blkgdestroy...

AZL-102555 CVE-2026-90325 affecting package kernel 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: skip dying blkg in blkcgactivatepolicy When switching IO schedulers on a block device, blkcgactivatepolicy can race with concurrent blkcg deletion, leading to a use-after-free in rcuacceleratecbs. T1: T2: blkgdestroy...

CVE-2026-90326

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix race between policy activation and blkg destruction When switching an IO scheduler on a block device, blkcgactivatepolicy allocates blkgpolicydata pd for all blkgs attached to the queue. However, blkcgactivatepoli...

CVE-2026-90325

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: skip dying blkg in blkcgactivatepolicy When switching IO schedulers on a block device, blkcgactivatepolicy can race with concurrent blkcg deletion, leading to a use-after-free in rcuacceleratecbs. T1: T2: blkgdestroy...

EUVD-2026-81987

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix race between policy activation and blkg destruction When switching an IO scheduler on a block device, blkcgactivatepolicy allocates blkgpolicydata pd for all blkgs attached to the queue. However, blkcgactivatepoli...

CVE-2026-90326

A race condition in the Linux kernel's blk-cgroup subsystem can lead to a use-after-free and memory leak when switching an I/O scheduler on a block device. The race occurs between blkcg_activate_policy() and concurrent blkcg deletion: the rollback path may access already-freed policy data (pd), a...

CVE-2026-90326 blk-cgroup: fix race between policy activation and blkg destruction

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix race between policy activation and blkg destruction When switching an IO scheduler on a block device, blkcgactivatepolicy allocates blkgpolicydata pd for all blkgs attached to the queue. However, blkcgactivatepoli...

CVE-2026-90325

CVE-2026-90325 is a use-after-free vulnerability in the Linux kernel's blk-cgroup (block I/O cgroup) subsystem. When switching I/O schedulers on a block device, blkcg_activate_policy() can race with concurrent block-group deletion, causing a double call_rcu and a subsequent use-after-free in rcu_...

CVE-2026-90325 blk-cgroup: skip dying blkg in blkcg_activate_policy()

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: skip dying blkg in blkcgactivatepolicy When switching IO schedulers on a block device, blkcgactivatepolicy can race with concurrent blkcg deletion, leading to a use-after-free in rcuacceleratecbs. T1: T2: blkgdestroy...

EUVD-2026-81986

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: skip dying blkg in blkcgactivatepolicy When switching IO schedulers on a block device, blkcgactivatepolicy can race with concurrent blkcg deletion, leading to a use-after-free in rcuacceleratecbs. T1: T2: blkgdestroy...

CVE-2026-90325: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: skip dying blkg in blkcgactivatepolicy When switching IO schedulers on a block device, blkcgactivatepolicy can race with concurrent blkcg deletion, leading to a use-after-free in rcuacceleratecbs. T1: T2: blkgdestroy...

CVE-2026-90326: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix race between policy activation and blkg destruction When switching an IO scheduler on a block device, blkcgactivatepolicy allocates blkgpolicydata pd for all blkgs attached to the queue. However, blkcgactivatepoli...

CVE-2023-54271: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix NULL deref caused by blkgpolicydata being installed before init blk-iocost sometimes causes the following crash: BUG: kernel NULL pointer dereference, address: 00000000000000e0 ... RIP: 0010:rawspinlock+0x17/0x30...