CVE-2026-27659 CSRF vulnerability in UpdateAccessControlPolicyActiveStatus endpoint

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to properly validate CSRF tokens in the /api/v4/accesscontrolpolicies/policyid/activate endpoint, which allows an attacker to trick an admin into changing access control policy active status via a craft...

CVE-2026-27659 CSRF vulnerability in UpdateAccessControlPolicyActiveStatus endpoint

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to properly validate CSRF tokens in the /api/v4/accesscontrolpolicies/policyid/activate endpoint, which allows an attacker to trick an admin into changing access control policy active status via a craft...

SUSE CVE-2023-54271

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...

EUVD-2023-60370

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...

CVE-2023-54271

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...

UBUNTU-CVE-2023-54271

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...

EUVD-2025-124936

In the Linux kernel, the following vulnerability has been resolved: blk-throttle: fix access race during throttle policy activation On repeated cold boots we occasionally hit a NULL pointer crash in blkshouldthrotl when throttling is consulted before the throttle policy is fully enabled for the...

CVE-2025-40147

In the Linux kernel, the following vulnerability has been resolved: blk-throttle: fix access race during throttle policy activation On repeated cold boots we occasionally hit a NULL pointer crash in blkshouldthrotl when throttling is consulted before the throttle policy is fully enabled for the...

CVE-2025-40147 blk-throttle: fix access race during throttle policy activation

In the Linux kernel, the following vulnerability has been resolved: blk-throttle: fix access race during throttle policy activation On repeated cold boots we occasionally hit a NULL pointer crash in blkshouldthrotl when throttling is consulted before the throttle policy is fully enabled for the...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from an access contention in blk-throttle during throttle policy activation, which could lead to a null pointer...

kernel: Linux kernel: Denial of Service via NULL pointer dereference in blk-cgroup

A flaw was found in the Linux kernel's block cgroup blk-cgroup component. A local attacker could exploit a race condition in the blkcgactivatepolicy function, where block group policy data blkgpolicydata is installed before it is fully initialized. This allows another function, iocweightwrite, to...