Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: blk-cgroup: Skipping the process of destroying a block group during the blkcgactivatepolicy function. When switching IO schedulers for a block device, the blkcgactivatepolicy function may race with concurrent deletions of bloc...

SUSE 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...

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...

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...

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...